【因式分解法解方程.2x^2+5x=0(y-1)(y+3)=-4x(x-2)=4-x^2√3x(x-1)-√2(x-1)=04(x-1)^2=25(x+1)^2√2x(x+1)=x+1x^2-9=1/2(x^2-6x+9)(2x-1)^2-8(2x-1)(x-2)+16(x-2)^2=0】
因式分解法解方程.
2x^2+5x=0
(y-1)(y+3)=-4
x(x-2)=4-x^2
√3x(x-1)-√2(x-1)=0
4(x-1)^2=25(x+1)^2
√2x(x+1)=x+1
x^2-9=1/2(x^2-6x+9)
(2x-1)^2-8(2x-1)(x-2)+16(x-2)^2=0