Question

2.(x-2)+5.(2-x)+6.(x+1)=0

Answer 1

2x-4 +10-5x +6x+6= 0
+3x +12 = 0
3x= -12
x= $\frac{-12}{3}$ = -4

Answer 2

2.(x - 2) + 5.(2 - x) + 6.(x + 1) = 0
2x - 4 + 10 - 5x + 6x + 6 = 0
2x + 6 + x + 6 = 0
3x + 12 = 0
3x = - 12
x = - 12/3
x = - 4