7-(2x-2)*(4x+1)=2x*(5-4x)

Question

7-(2x-2)*(4x+1)=2x*(5-4x)

Answer 1

7 - (8x^2 + 2x - 8x - 2) = 10x - 8x^2
7 - 8x^2 - 2x + 8x + 2 = 10x - 8x^2
- 8x^2 + 6x + 9 = 10x - 8x^2
6x + 9 = 10x
6x - 10x = - 9
- 4x = - 9
4x = 9
x = 9/4
x = 2,25