Question

How do you factor `5v^2-30v+40`?

Answer 1

`5(v-4)(v-2)`

Explanation:

We get
`5*(v^2-6v+8)`
and solving the quadratic
`v_(1,2)=3pmsqrt(9-8)`
so we get
`v_1=4`
`v_2=2`

and the factorization is given by
`5(v-4)(v-2)`