ANSWER

EXPLANATION
The given polynomials are:

and

We want to subtract these two polynomials.

Expand the right hand side to obtain:

Group the similar terms:

Combine the similar terms to get:

The answer is 0. the additive inverse of a negative number is the same number but positive. to find the sum means to add them together. for example take 2 and -2. 2 is the additive inverse of -2. if you add 2+-2 the answer comes out to 0
Answer:
She can use a calculator
Step-by-step explanation:
Answer:
4/9
Step-by-step explanation:
2/9 multiplied by 2 is 4/9 this can not be turned into a mixed number but can stay a fraction
Answer:
If you are trying to find the other degree its 114.
Step-by-step explanation:
180-66=114