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August 21, 2014

August 21, 2014

Posted by **Dawn** on Thursday, February 3, 2011 at 5:29pm.

- Math -
**Dawn**, Thursday, February 3, 2011 at 5:30pm*** it is supposed to be 5x(to the power of two) and 3x(to the power of two)

- Math -
**Reiny**, Thursday, February 3, 2011 at 5:39pmJust expand it using FOIL

Your first line will have 4 terms, you can add up the two middle terms.

- Math -
**helper**, Thursday, February 3, 2011 at 5:40pm(5x^2 - 4x)(3x^2 + 2x)

Use FOIL to expand

-8x^2 - 2x^3 + 15x^4

15x^4 - 2x^3 - 8x^2

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