Question

Multiply : (7a+3)(7a-3)​

Answer 1

Step-by-step explanation:

this the answer for the above question

Answer 2

$(7a + 3)(7a - 3)$

$apply \: (a + b)( a \: - \: b) \: formula$

$that \: is \: a^{2} \: - \: b^{2}$

$therefore \: your \: answer \: will \: be$

$(7a)^{2} - (3)^{2}$

$49a^{2} - 9$

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