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..........................-example-1

1 Answer

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(3)/(x^2+14x+48)/(3)/(10x+60)=(3)/(x^2+8x+6x+48)\cdot(10x+60)/(3)\\\\=(1)/(x(x+8)+6(x+8))\cdot(10(x+6))/(1)=(10(x+6))/((x+6)(x+8))=(10)/(x+8)

Answer: C.
(10)/(x+8)

User Bcherry
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