Question #600cc
2 Answers
Explanation:
First, Let's Use the formula
Then,Subsutite
Explanation:
Start by expanding the first two terms. You may have learned the FOIL method, where you multiply First, Outer, Inner, then Last terms. Here it is with the first two:
First:
Outer:
Inner:
Last:
Now add the like terms together.
Now multiply that trinomial by the final binomial:
Again, add all like terms together to get your final answer.