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How to solve the equation

How to solve the equation-example-1

1 Answer

2 votes

Answer:

x = -26

Explanation:


(f-g)(x)=(4)/(x-3)-(3)/(x+5)=(3)/(x^2 +2x-15) \\ \\ (4(x+5)-3(x-3))/(x^2 +2x-15) \\ \\ =(4x+20-3x+9)/(x^2 +2x-15)=(3)/(x^2 +2x-15) \\ \\ (x+29)/(x^2 +2x-15)=(3)/(x^2+2x-15) \\ \\ x+29=3 \\ \\ x=-26

This is in the domain of the equation, and is thus a solution.

User Bertjan Broeksema
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