Algebra

Simplifing rational expressions
Simplify the expression & state any excluded values:
(2s^2 - 5s - 12) / (2s^2 - 9s + 4)

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  1. 2s^2-9s+4 = (2s-1)(s-4)
    so the denominator is zero when x = 1/2 or 4

    2s^2-5s-12 = (2s+3)(s-4)

    so, I guess it's clear now what the simplified quotient is, eh?

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  2. I should know, eh? Thanks, Steve

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