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OpenStudy (anonymous):
The area of a rectangle is given by A = x2 + 4x – 5. Find the value of x if the total area of the rectangle is equal to 7 square units
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OpenStudy (anonymous):
x2 + 4x – 5=7 x2 + 4x –12=0 (x+6)(x-2) x=-6 or 2
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