Question

(4a-3)(4a+3) please solve this sum

Answer 1

✍✍HERE IS YOUR ANSWER...⬇⬇
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$\underline{SOLUTION}$ ➡

$We \: \: know \: \: that ,\\ \\ \boxed{(x + y)(x - y) = x {}^{2} - y {}^{2} }$

$Applying \: \: this \: \: identity ,\: \: we \: \: get ,$

$(4a - 3)(4a + 3) \\ \\ = (4a) {}^{2} - (3) {}^{2} \\ \\ = 16a {}^{2} - 9$

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Answer 2

hope it's clear.......