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March 1, 2015

Posted by **Ashley** on Friday, September 26, 2008 at 1:15am.

(x^1/2-2)(x^1/2+4)

I can not seem to find the answer to this problem. Can anyone help?

Thank You!

- algebra/math -
**Quidditch**, Friday, September 26, 2008 at 1:27amFOIL is an acronym for

First Outer Inner Last

used when multiplying binomials.

1. Multiply the FIRST terms in each binomail. In this problem that would be

x^(1/2) * x^(1/2)

2. Multiply the OUTER terms:

x^(1/2) * 4

3. Multiply the INNER terms:

-2 * x^(1/2)

4. Multiply the LAST terms in each binomial:

-2 * 4

Then add all the like like terms.

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