-2x(x-5)=3-x解一元一次方程1,-2(x-5)=3-x2,(2x-1)(x+5)=6x3,(x-3)²-x=2x+34,x²+6x-4=05,4x²-8x+3=06,2x²-4x+5=07,3x²-8=7x8,x²+2x-2=0

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-2x(x-5)=3-x解一元一次方程1,-2(x-5)=3-x2,(2x-1)(x+5)=6x3,(x-3)²-x=2x+34,x²+6x-4=05,4x²-8x+3=

-2x(x-5)=3-x解一元一次方程1,-2(x-5)=3-x2,(2x-1)(x+5)=6x3,(x-3)²-x=2x+34,x²+6x-4=05,4x²-8x+3=06,2x²-4x+5=07,3x²-8=7x8,x²+2x-2=0
-2x(x-5)=3-x解一元一次方程
1,-2(x-5)=3-x
2,(2x-1)(x+5)=6x
3,(x-3)²-x=2x+3
4,x²+6x-4=0
5,4x²-8x+3=0
6,2x²-4x+5=0
7,3x²-8=7x
8,x²+2x-2=0

-2x(x-5)=3-x解一元一次方程1,-2(x-5)=3-x2,(2x-1)(x+5)=6x3,(x-3)²-x=2x+34,x²+6x-4=05,4x²-8x+3=06,2x²-4x+5=07,3x²-8=7x8,x²+2x-2=0
1、-2x+x=3-10,x=7
2、2x^+10x-x-5-6x=2x^+3x-5=(2x+5)(x-1)=0,x=1,或x=-5/2
3、x^-6x+9-x-2x-3=x^-9x+6=0,x=(9±✓105)/2
4、x=(-6±2✓13)/2
5、x=(4±✓28)/4
7、3^-7x-8=0,x=(7±✓145)/6
8、(x+1)^2=3,x=-1±✓3