# Answer to Question #19811 in Trigonometry for Kristen Woods

Question #19811

adding and subtracting rational expressions

8/(x^2-4x) + 2/x

8/(x^2-4x) + 2/x

Expert's answer

8/(x^2-4x) + 2/x=8/((x-4)*x) + 2/x=8/((x-4)*x) +2(x-4)/[x(x-4)]=[8+2x-8]/[x(x-4)]=2x/(x*(x-4))=2/(x-4)

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