Answer:
(-3,3) Hope that this does help!
Answer:
what on the planet is the question
ANSWER
Step 3
EXPLANATION
The given polynomial expression is:

Fatau correctly expanded the parenthesis in the first step.

Fatau also correctly grouped the like terms to obtain:

Fatau committed a mistake at the third step.
Instead of obtaining,

He mistakenly got:

-4
Both of those angles should be measured 112 degrees so -4+116=112