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November 29, 2014

November 29, 2014

Posted by **Lucy** on Wednesday, August 15, 2012 at 2:38pm.

- College Algebra -
**Henry**, Wednesday, August 15, 2012 at 8:11pmWidth = X Ft.

Length = (2x+8) Ft.

x*(2x+8) = 24Sq. Ft.

2x^2 + 8x = 24

Divide both sides by 2:

x^2 + 4x = 12

x^2 + 4x - 12 = 0.

(x-2)(x+6) = 0

x - 2 = 0

X = 2 = Width.

x + 6 = 0

X = -6. Negative value not valid.

2x+8 = 2*2 + 8 = 12 = Length.

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