Question

How do you solve `x^2 – 13x = -12` by factoring?

Answer 1

`x_1 = 1,x_2=12`

Explanation:

`x^2-13x+12=0`
`=>x^2-x-12x+12=0`
`=>x*(x-1)-12*(x-1)=0`
`=>(x-1)*(x-12)=0`
`=>x_1 = 1,x_2=12`