Question

What is (a - b) (a - b)

Answer 1

Answer:

$\: \: \: \: \: (a - b)(a - b)$

$= {(a - b)}^{2}$

$= {a}^{2} + {b}^{2} -2ab$

Answer 2

Answer:

(a-b)(a-b)=a²-2ab+b²

Step-by-step explanation:

(a-b)(a-b)

= a(a-b)-b(a-b)

= a²-ab-ab+b²

= a²-2ab+b²

Therefore,

(a-b)(a-b)=a²-2ab+b²

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