x^-5x=0 x^=x x(x-2)-3(x-2)=0 (2x+3)^=5(2x+3) x^-25=0 (x+1)^-4=0_其他解答

x^-5x=0 x^=x x(x-2)-3(x-2)=0 (2x+3)^=5(2x+3) x^-25=0 (x+1)^-4=0

人气：186 ℃　时间：2020-05-01 01:26:17

解答

x²-5x=0x(x-5)=0x=0 x-5=0∴X1=0X2=5x²=x x²-x=0x(x-1)=0x=0 x-1=0∴X1=0X2=1x(x-2)-3(x-2)=0x²-2x-3x+6=0x²-5x+6=0(x-2)(x-3)=0x-2=0 x-3=0∴X1=2X2=3(2x+3)²=5(2x+3) (2x+3)²-...