What is the solution to the rational equation x/x^2-9 + 1/x+3 + 1/4x-12

asked Feb 3, 2022 186k views

9 votes

by Loupi

3.8k points

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11 votes

x/x^2-9 + 1/x-3 = 1/4x-12

x/(x+3)(x-3)+1/(x-3)=1/4(x-3)

LCD: 4(x+3)(x-3)

4x+4(x+3)=(x+3)

4x+4x+12=x+3

7x=-9

x=-9/7

Rodolk answered Feb 10, 2022

4.8k points

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