5(x-3)²=8;
(x-3)²=8/5
x-3=±(2√10)/5
x1=3+(2√10)/5
x2=3-(2√10)/5
2(x-1)²=1-x
2(x-1)²+(x-1)=0
(x-1)[2(x-1)+1]=0
x-1=0或2(x-1)+1=0
x1=1,x2=½.
y²-3y-10=0
(y-5)(y+2)=0
y-5=0 或y+2=0
y1=5,y2=-2
5(x-3)²=8
(x-3)²=8/5
x-3=±2√10/5
x=(15-2√10)/5,x=(15+2√10)/5
2(x-1)²=1-x
2(x-1)²+(x-1)=0
(x-1)(2x-2+1)=0
(x-1)(2x-1)=0
x=1,x=1/2
y²-3y-10=0
(y+2)(y-5)=0
y=-2,y=5
自己解下方程不会吗