FOIL method
First:
u squared times u squared equals to u to the fourth.
Outer and Inner:
8u squared + u squared equal 9u squared. Remember, the exponents don't change when adding!
Last:
8 times 1 equals 8
The answer is Lisa, because there can be only one answer to the question
Answer:
x has to be -3 for the answer to be 0
Step-by-step explanation: