Question

How do you find the sum of `5x^2y` and `2xy^2 + x^2y`?

Answer 1

You may only add like combinations of powers.

First sort the terms:

`5x^2y+x^2y+2xy^2=6x^2y+2xy^2`

Afterward, you may want to factorise:

`=2xy*(3x+y)`