Mrs. Valdez wanted to determine the number of people, p, she could safely take in her car to the fun run. She determined that p
1 answer:
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Answer:
.
Step-by-step explanation:
Notice that the first two factors are in the form , which is equal to
. Start by combining and expanding these two factors:
Let .
.
.
This expression can now be expressed as .
stands the unit imaginary number, where
. Unless
is raised to a certain power other than
, it can be treated just like a constant.
Expand this expression using FOIL:
.