x(x-7)-10(x-7)=0这个方程怎么解啊?

x(x-7)-10(x-7)=0这个方程怎么解啊?
x(x-7)-10(x-7)=0这个方程怎么解啊?

x(x-7)-10(x-7)=0这个方程怎么解啊?
提取（x-7）,(x-7)(x-10)=0
所以X1=7,X2=10

x2-17x+70=0
x=10或7

x(x-7)-10(x-7)=0
(x-10)(x-7)=0
x=10 或x=7

（x-7)(x-10)=0
x=7 or x=10

=(x-7)(x-10)
X1=7 X2=10