Question

determine
4x²+12x+9=0​

Answer 1

Answer:

(2x+3)+(2x+3) is the answer for your question

x=3/2

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Answer 2

Answer:

4x^2+12x+9=0

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

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

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

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

It means two roots or zeroes of quadratic equation are

x=-3/2 and x=-3/2