Pre Cal

1
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2x^2-2
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2 + x
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x+11 x^2-2x-3

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  1. work the denominator first.

    2/(x+11) * x/(x^2-2x-3)

    2/(x+11) * x/(x-3)(x-1)

    get the common denominator..

    add the fractions. Then invert,

    1/(2(x^2-1) * inverted fraction

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    bobpursley

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