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The area of a rectangle is 250sq in. base of rectangle is 4x + 5 height of rectangle is 2x, find dimensions of base and height of rectangle?
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- MercyLv 76 years ago
length = 4x+5
width = 2x
A= L*W
250 = 2x( 4x+5)
250 = 8x^2 +10x
0 = 8x^2+10x -250
Use quadratic equation to find the value of x
Substitute back to find L and W
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