SOLUTION: 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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Question 398344: 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.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
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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A+=+x%5E2+%2B+4x+-+5+=+7
x%5E2+%2B+4x+-+12+=+0
(x+6)(x-2) = 0
x = -6, 2
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This does not mean that x is the length of either side.