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Dimas [21]
3 years ago
14

Simplify the rational expression below.

Mathematics
1 answer:
LenKa [72]3 years ago
3 0

Answer:

A) (x-7)/(x+4)

Step-by-step explanation:

(x^2-10x+21)/(x^2+x-12)=[(x-3)(x-7)]/[(x+4)(x-3)]=(x-7)/(x+4)

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