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Excluded Values in Rational Expressions
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ACCUPLACER
AAF.099 Excluded Values in Rational Expressions
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Even though [(3x + 4)(x + 6)(x + 12)]/[(x + 6)(3x + 4)(x - 5)] simplifies to [(x + 12)]/[(x - 5)], which x-value(s) must be excluded?
A
x = 5 only
B
x = -6 or x = -4/3
C
x = -6, x = -4/3, or x = 5
D
x = -12, x = -6, or x = -4/3
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