2(х+3)(х+1)+8=(2х+1)(х+5) решени ** листочке!!!!!!

Question

2(х+3)(х+1)+8=(2х+1)(х+5) решени на листочке!!!!!!

Answer 1

2(x^2 + 4x + 3) + 8 = 2x^2 + 11x + 5
2x^2 + 8x + 14 = 2x^2 + 11x + 5
8x + 14 = 11x +  5
8x - 11x = 5 - 14
- 3x = - 9 
3x = 9 
x = 3