Question

what is (a+b)(a-b)?
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Answer 1

$(a + b)(a - b)$

$a(a - b) + b(a - b)$

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

$a^{2} - b ^{2}$

Answer 2

${a}^{2} - {b}^{2}$

Is the answer

Hope it help you