方程x²+(2-3x)²-2x=0解得多少?

方程x²+(2-3x)²-2x=0解得多少?
方程x²+(2-3x)²-2x=0解得多少?

方程x²+(2-3x)²-2x=0解得多少?
x²+4+9x²-12x-2x=0
10x²-14x+4=0
5x²-7x+2=0
(x-1)(5x-2)=0
x1=1 x2=2/5

x²+9x²-12x+4-2x=0
10x²-14x+4=0
5x²-7x+2=0
(5x-2)(x-1)=0
x=2/5或x=1