Question

factorization using synthetic division
$4 {x}^2 + 12x + 9 \:$

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Answer 1

4x^2 + 12x + 9 = 0

4x^2 + 6x + 6x + 9 = 0

2x ( 2x + 3) + 3 (2x + 3) = 0

(2x + 3) (2x + 3) = 0

It means the equation has a single unique root.

x = -3/2

Answer 2

answer is in the pic

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