Question

2x(x+1)+2(x-1)(2x-1)=6(x+1)

Answer 1

2x(x+1)+2(x-1)(2x-1)=6(x+1)

2x²+2x+2 (2x²-x-2x+1)= 6x+6

2x²+2x+2(2x²-3x+1) = 6x+6

2x²+2x+4x²-6x+2 = 6x+6

6x²-4x -6x +2 -6 = 0

6x²-10x -4 = 0