Question

(X+2)(2x+1)=12, help me with this , explain the steps,Today I have exam.​

Answer 1

Step-by-step explanation:

$(x + 2)(2x + 1) = 12 \\ {2x}^{2} + x + 4x + 2 = 12 \\ {2x}^{2} + 5x + 2 = 12 \\ {2x}^{2} + 5x = 12 - 2 \\ {2x}^{2} + 5x = 10$

I hope it helps you

Answer 2

Answer:

$(x + 2)(2x + 1) = 12 \\ 2x(x + 2) + 1(x + 2) = 12 \\ 2x + 4x + 1x + 2 = 12 \\2x - 4x - 1x = 12 - 2 \\ - 3x = 10 \\ x = \frac{10}{ - 3}$