algebra/math

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use the FOIL method to perform the multiplication.
(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 -

    FOIL 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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