Math, asked by Anmol029, 1 year ago

Solve this!!!!!!!:(2a+b)²-6a-3b-4


dolisingh: 4a²+b²+4ab-6a-3b-4

Answers

Answered by HimanshuR
8

(2a + b) {}^{2}  - 6a - 3b - 4 \\  = (2a + b) {}^{2}  - 3(2a + b) - 4 \\  = (2a + b)(2a + b - 3 - 4) \\  = (2a + b)(2a + b - 7)

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