Question

use the formula to multiply the following
1) (a+6) (a-6)

Answer 1

(a+6)(a-6)

=a²-6² {a²-b²}

=a²-36

Answer 2

$(a + 6)(a - 6) \\ = {a}^{2} - 36 \: \: \: \: \: \: \: \: \\ (a + b)(a - b) = {a}^{2} - {b}^{2}$
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