Math, asked by UnTitled, 1 year ago

Factorise: 4a² – 12a + 9 - x² + 2xy – y²​

Answers

Answered by LovelyG
8

Answer-

4a² – 12a + 9 - x² + 2xy – y²

(2a)² - 2 * 2a * 3 + (3)² - (x² - 2xy + y²)

(2a - 3)² - (x + y)²

(2a - 3 + x + y)(2a - 3 - x - y)

_________________

Indentity Used:

  • (a - b)² = - 2ab +
  • - = (a + b)(a - b)

UnTitled: Thx
vineet78676: Nice year
vineet78676: Yaar
vineet78676: I just stuck at the 2 identity
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