# SOLUTION: A rectangle is 6 meters longer than it is wide. The area fo the rectangle is 315 sqaure meters. Find the length.

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 Question 75929: A rectangle is 6 meters longer than it is wide. The area fo the rectangle is 315 sqaure meters. Find the length.Found 2 solutions by checkley75, Kari:Answer by checkley75(3666)   (Show Source): You can put this solution on YOUR website!area=l*w 315=x*(x+6) 315=x^2+6x x^2+6x-315=0 (x-15)(x+21)=0 x-15=0 x=15 answer for the short side 15+6=21 for the long side proof 15*21=315 315=315 Answer by Kari(1)   (Show Source): You can put this solution on YOUR website!area=l*w 315=x*(x+6) 315=x^2+6x x^2+6x-315=0 (x-15)(x+21)=0 x-15=0 x=15 answer for the short side 15+6=21 for the long side proof 15*21=315 315=315