Question

14. m² + m - 90
Trinomial factoring

Answer 1

`\left(m-9\right)\left(m+10\right)`

Explanation:

Factor

`m^2+m-90`

Rewrite the term

`m^2-9m+10m-90`

Regroup terms into two proportional parts

`\left(m^2-9m\right)+\left(10m-90\right)`

Factor Greatest Common Factors out

`m\left(m-9\right)+10\left(m-9\right)`

`\left(m-9\right)\left(m+10\right)`

I hope this helps you

:)