"difference of two squares" meaning in English

{
  "forms": [
    {
      "form": "differences of two squares",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "differences of two squares",
        "head": "difference of two squares"
      },
      "expansion": "difference of two squares (plural differences of two squares)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Algebra",
          "orig": "en:Algebra",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "The fraction (x-8)/(x²-64) can be simplified to 1/(x+8) using the difference of two squares."
        }
      ],
      "glosses": [
        "The identity x²-y²=(x+y)(x-y), that holds for all real numbers."
      ],
      "id": "en-difference_of_two_squares-en-noun-e2C0WLPd",
      "links": [
        [
          "algebra",
          "algebra"
        ],
        [
          "identity",
          "identity"
        ],
        [
          "real number",
          "real number"
        ]
      ],
      "raw_glosses": [
        "(algebra) The identity x²-y²=(x+y)(x-y), that holds for all real numbers."
      ],
      "topics": [
        "algebra",
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "The mathematical identity",
          "tags": [
            "feminine"
          ],
          "word": "différence de carré"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "ráznostʹ kvadrátov",
          "sense": "The mathematical identity",
          "tags": [
            "feminine"
          ],
          "word": "ра́зность квадра́тов"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "The mathematical identity",
          "tags": [
            "feminine"
          ],
          "word": "diferencia de cuadrados"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "The mathematical identity",
          "tags": [
            "common-gender"
          ],
          "word": "konjugatregel"
        },
        {
          "code": "th",
          "lang": "Thai",
          "sense": "The mathematical identity",
          "word": "ผลต่างกำลังสอง"
        }
      ],
      "wikipedia": [
        "difference of two squares"
      ]
    }
  ],
  "word": "difference of two squares"
}

{
  "forms": [
    {
      "form": "differences of two squares",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "differences of two squares",
        "head": "difference of two squares"
      },
      "expansion": "difference of two squares (plural differences of two squares)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Algebra"
      ],
      "examples": [
        {
          "text": "The fraction (x-8)/(x²-64) can be simplified to 1/(x+8) using the difference of two squares."
        }
      ],
      "glosses": [
        "The identity x²-y²=(x+y)(x-y), that holds for all real numbers."
      ],
      "links": [
        [
          "algebra",
          "algebra"
        ],
        [
          "identity",
          "identity"
        ],
        [
          "real number",
          "real number"
        ]
      ],
      "raw_glosses": [
        "(algebra) The identity x²-y²=(x+y)(x-y), that holds for all real numbers."
      ],
      "topics": [
        "algebra",
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "difference of two squares"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "The mathematical identity",
      "tags": [
        "feminine"
      ],
      "word": "différence de carré"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "ráznostʹ kvadrátov",
      "sense": "The mathematical identity",
      "tags": [
        "feminine"
      ],
      "word": "ра́зность квадра́тов"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "The mathematical identity",
      "tags": [
        "feminine"
      ],
      "word": "diferencia de cuadrados"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "The mathematical identity",
      "tags": [
        "common-gender"
      ],
      "word": "konjugatregel"
    },
    {
      "code": "th",
      "lang": "Thai",
      "sense": "The mathematical identity",
      "word": "ผลต่างกำลังสอง"
    }
  ],
  "word": "difference of two squares"
}