怎样利用提取公因式法解方程:(2x-1)*(x+5)-(1-2x)*(1-x)=6.

问题描述:

怎样利用提取公因式法解方程:(2x-1)*(x+5)-(1-2x)*(1-x)=6.

(2x-1)*(x+5)-(1-2x)*(1-x)=6
(2x-1)【(x+5)+(1-x)】=6
(2x-1)*6=6
2x-1=1
x=1

:(2x-1)*(x+5)-(1-2x)*(1-x)=6
(2x-1)(x+5)+(2x-1)(1-x)=6
(2x-1)(x+5+1-x)=6
6(2x-1)=6
2x-1=1
2x=2
x=1