SOLUTION: A rectangle has a length of 3(x+y) and a width of 3(x-y) .Write an expression for the perimeter of that rectangle .simplify your answer

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Question 945916: A rectangle has a length of 3(x+y) and a width of 3(x-y) .Write an expression for the perimeter of that rectangle .simplify your answer
Found 2 solutions by MathLover1, brysca:
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

A rectangle has a length of L=3%28x%2By%29 and a width of W=3%28x-y%29
the perimeter of the rectangle is:P=2L%2B2W
P=2%2A3%28x%2By%29%2B2%2A3%28x-y%29
P=6%28x%2By%29%2B6%28x-y%29
P=6x%2B6y%2B6x-6y
P=6x%2Bcross%286y%29%2B6x-cross%286y%29
P=6x%2B6x
P=12x

Answer by brysca(112) About Me  (Show Source):
You can put this solution on YOUR website!
solution posted below
.
hope this helps!