Monday, July 12, 2010

How do you FOIL this?

(0.139 - 2.238x 9x^2) (0.373 - 3x)

I know that to foil you multiply First Outer Inner Last, but how do you calculate -2.238x ?

Thanx
Answer:



-27x^3 10.071x^2 - 1.25177x 0.051847
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