Question

3. What is the sum of the polynomial -(-ab + 3) and 4(-ab + 3)?

Answer 1

I've attached picture of me working out the problem!

A cool tip is using the FOIL method when multiply binomials!

FOIL stands for

First Terms

Outer Terms

Inner Terms

Last terms

And tells you what to multiply what

Hope I helped! Message me if you have questions !