SOLUTION: Sorry I meant. Simplify (p-q)(p+q). What would the answer be if they were multiplied?

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Question 905853: Sorry I meant. Simplify (p-q)(p+q).
What would the answer be if they were multiplied?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
%28p-q%29%28p%2Bq%29
p%5E2%2Bpq-pq-q%5E2
p%5E2%2Bcross%28pq%29-cross%28pq%29-q%5E2
p%5E2-q%5E2 ...remember the rule how to factor a difference of squares?