Answer:
Step-by-step explanation:
The rule with like bases is that when you multiply them you add their exponents.

Therefore, our final simplification is

Answer:
x
Step-by-step explanation:
Answer:
-30/11
Step-by-step explanation:
-17
Step-by-step explanation:
the answer is in the up
Answer:
multiply each term in one polynomial by each term in the other polynomial.
add those answers together, and simplify if needed.
Step-by-step explanation: