Question

(a-b) (a-b)


it's urgent
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Answer 1

[tex](a - b)(a - b ) \\ (a - b) ^{2}

Answer 2

Answer:

( a - b ) ( a- b )

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

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