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March 27, 2015

March 27, 2015

Posted by **Kristen** on Monday, June 14, 2010 at 9:52pm.

- Math -
**Jen**, Monday, June 14, 2010 at 10:03pmWherever there's an x, put in 4m and solve. 6(4m)^2+5(4m)-4=

- Math -
**Kristen**, Monday, June 14, 2010 at 10:09pmOh Thank you,

But them what are the dimensions?

How do i figure out that?

- Math -
**Reiny**, Tuesday, June 15, 2010 at 12:37amOur area of

6x^2 + 5x - 4 factors to

(3x+4)(2x-1)

so if x = 4

3x+4 = 16

2x-1 = 7

So the length is 16 and the width is 7

Note that 7(16) = 112 which is what you get if you follow Jen's substitution.

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