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