Question

factories the following 4x+12x+9

Answer 1

hey here is ur answer

4x^2 +6x+6x+9
=2x(2x+3)+3(2x+3)
=(2x+3)(2x+3)
=(2x+3)^2

or u can also factorise by identity

I hope this helps u

Answer 2

Your answer ⤵

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$4{x}^{2} + 12x + 9 = 0 \\ \\ 4{x}^{2} + 6x + 6x + 9 = 0 \\ \\ 2x ( 2x + 3 ) + 3 ( 2x + 3 ) \\ \\ 2x + 3 = 0 , 2x + 3 = 0 \\ \\ x = \frac{-3}{2} , x = \frac{-3}{2}$

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