Question

What is the answer to this algebra question (x-1) (x+2)=5(x-1) and by dividing each side by 1

Answer 1

`(x-1)(x+2) = 5(x-1)`

`x^(2) +2x-x-2=5x-5`

`x^(2) +2x-x-5x=2-5`

`x^(2) -4x=-3`

`x^(2) -4x+3=0`

`(x-3)(x-1)=0`
so, x=3 and x=1