Question

9a
$9a { }^{2} - 16b {}^{2}$
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Answer 1

Answer:

$hey \: mate \: here \: is \: your \: answer$

Step-by-step explanation:

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

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