先化简再求值x(x-2)-(x+3)(x-3)+(x-1)²,其中x=2
x(x-2)-(x+3)(x-3)+(x-1)²
=x²-2x-x²+9+x²-2x+1
=x²-4x+10
=2²-4×2+10
=4-8+10
=6