SOLUTION: Find the sides of a rectangle if one side is 4cm longer than the other and the area is 45cm^2

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Question 1044901: Find the sides of a rectangle if one side is 4cm longer than the other and the area is 45cm^2
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
system%28x=y%2B4%2Cxy=45%29

%28y%2B4%29y=45

y%5E2%2B4y=45

y%5E2%2B4y-45=0

%28y-5%29%28y%2B9%29=0
Which value for y is acceptable? Find the value for x.