Question

(x - 4) (2x + 3) = 2x^2​

Answer 1

Answer:

(x – 4) (2x + 3) = 2x2. ⇒ x (2x + 3) – 4 (2x + 3) = 2x2. ⇒ 2x2 + 3x – 8x – 12 = 2x2. ⇒ 2x2 + 3x – 8x – 2x2 = 12. ⇒ -5x = 12

x=-12/5

Answer 2

Answer:

(x-4)(2x+3)=2x^2

2x^2+3x-8x-12=2x^2

3x-8x-12=2x^2-2x^2

-5x-12=0

-12=5x

x=-12/5