X^2-61X=-60怎么算
问题描述:
X^2-61X=-60怎么算
答
X^2-61X=-60
X^2-61X+60=0
(x-1)(x-60)=0
x=1 x=60
答
X^2-61X=-60
X^2-61X+60=0
(x-60)(x-1)=0
x1=60 x2=1