SOLUTION: A rectangle has length (x+5)cm and width (x-2)cm. Its area is 60 cm^2. Write a quadratic equation, and solve it to find the length and width of this rectangle.

Algebra ->  Rectangles -> SOLUTION: A rectangle has length (x+5)cm and width (x-2)cm. Its area is 60 cm^2. Write a quadratic equation, and solve it to find the length and width of this rectangle.       Log On


   

Question 1090392: A rectangle has length (x+5)cm and width (x-2)cm. Its area is 60 cm^2. Write a quadratic equation, and solve it to find the length and width of this rectangle.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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rectangle has length (x+5)cm and width (x-2)cm. Its area is 60 cm^2.
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%28x%2B5%29%28x-2%29=60
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x%5E2%2B3x-10-60
x%5E2%2B3x-70=0
%28x-7%29%28x%2B10%29=0
highlight%28x=7%29