Thursday

December 18, 2014

December 18, 2014

Posted by **Amber** on Thursday, May 16, 2013 at 5:36pm.

Write an equation that can be used to determine the area (A) of the rectangle in terms of x.

What is the value of x if the area of the rectangle is 56 square inches?

- Algebra -
**Damon**, Thursday, May 16, 2013 at 5:40pm(x+1)(x+2) = A

x^2 + 3 x + 2 = A

x^2 + 3 x + 2 = 56

x^2 + 3 x - 54 = 0

(x+9)(x-6) = 0

x = 6

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