SOLUTION: A rectangle has sides of 3x-4 and 7x+10. Find teh expression that represents its perimeter.

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Question 85581: A rectangle has sides of 3x-4 and 7x+10. Find teh expression that represents its perimeter.
Answer by jim_thompson5910(21685) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter:
P=2w%2B2L

where w=3x-4 and L=7x%2B10 (in either order)

P=2%283x-4%29%2B2%287x%2B10%29 Plug in the given dimensions

P=6x-8%2B14x%2B20%29 Distribute

P=20x%2B12%29 Combine like terms