Question

4. (a - b)² + (a - b)​

Answer 1

Answer:

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

a^2+b^2+2ab+a-b

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Answer 2

Answer:

$(a - b) ^{2} + (a - b) \\ ( {a} - b)(a + b) + (a + b) \\ (a - b)(a + b - 1)$

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