x(-61+x)=-60怎么解?

2025-03-22 10:47:39
推荐回答(1个)
回答1:

x(-61+x)=-60,
-61x+x²=-60
x²-61x+60=0,
(x-1)(x-60)=0
x-1=0或x-60=0,
解得x1=1,x2=60