Homework Help: algebra 2

Posted by amanda on Sunday, March 18, 2012 at 6:00pm.

the height of a box is 6 inches. the length is three inches more than the width. find the width if the volume is 240 cubic inches

algebra 2 - PsyDAG, Monday, March 19, 2012 at 3:50am
Volume = HLW

Volume = 240

H = 6

If W = x, then L = x +3

240 = 6x(x+3)

40 = x^2 + 3x

0 = X^2 + 3x - 40

Solve for x.

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