Question

9a²-16 factorize by using identities fully explain please​

Answer 1

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

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Answer 2

Answer:

Hey mate, Good afternoon ♡

#Here's ur answer...☆☆☆

Step-by-step explanation:

$9 {a}^{2} - 16 \\ by \: {x}^{2} - {y}^{2} = (x + y)(x - y) \\ = (3a) {}^{2} - (4) {}^{2} \\ = (3a + 4)(3a - 4) \: ans...$

Hope this helps you....

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