Question

Factorize ( a + b)² – ( a – b) ²​

Answer 1

(a^2+2ab+b^2) - (a^2-2ab-b^2)

Answer 2

Step-by-step explanation:

$\huge\mathfrak\pink{answer}$

$[(a + b)-(a + b)]\[(a + b)+(a-b)] \\ \: = [a + b - a + b] \: [a + b + a - b] \\ = \ \: [a - a + b - b] [a + a + b - b] \\ = [2a][2b] \\ \red{ = 4ab}$

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