49y²+42y+9 please I need help, I promise to rate you as the brain lest when I get the exact answer am looking for

asked Apr 13, 2021 157k views

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5 votes

Answer:

$\huge\boxed{\sf (7y+3)(7y+3)}$

Explanation:

$\sf = 49y^2+42y+9\\\\=(7y)^2+2(7y)(3)+(3)^2\\\\Using \ Formula \ a^2+2ab+b^2 = (a+b)^2\\\\= (7y+3)^2\\\\= (7y+3)(7y+3)\\\\\rule[225]{225}{2}$

Hope this helped!

Mareckmareck answered Apr 16, 2021

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