Simplify the following (a-3)(a+3)
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Simplify the following (a-3)(a+3)
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use the formula (a - b)(a + b) = a^2-b^to simplify the product:-
[tex] {a}^{2} - {3}^{2} \\ \\ = {a}^{2} - 9[/tex]
ANSWER:
a^2 - 9
EXPLANATION: