Question

What is the simplified expression for 5ab + 9ab - ab?

Answer 1

5ab + 9ab-ab= 14ab - ab= 13ab which is the second one

Answer 2

`13ab`

Explanation:

`5ab + 9ab - ab`

According to addition and subtraction in PEMDAS, it is done from left to right.

`5ab + 9ab = 14ab`

`14ab - ab = 13ab`