2x-2+x=2x-3x²-6+9x 2x-2+x-2x+3x²+6-9=0 3²-8x+4
2(x-1)+x=x3(2-3x) 2x-2+x=6x-9x 2x+x-6x+9x=2 12x=2/12 x=1/6