Posted by Dawn on Thursday, February 3, 2011 at 5:29pm.
(5x2 4x)(3x2+2x)

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 5:39pm
Just 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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