因式分解法:2(x-3)²+(3x-x²)=0
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因式分解法:2(x-3)²+(3x-x²)=0
因式分解法:2(x-3)²+(3x-x²)=0
因式分解法:2(x-3)²+(3x-x²)=0
2(x-3)²+(3x-x²)=0
2x^2-12x+18+3x-x^2=0
x^2-9x+18=0
(x-3)(x-6)=0
x=3或x=6
原式=2x^2-12x+18+3x-x^2
=x^2-9x+18
=(x-3)(x-6)=0
x=3 x=6
正确请采纳