Question

(5/x)-(7/(x^2+4x)+(9/(x^3-4x^2))

Answer 1

ick

Answer 2

lcd is \(x^2(x-4)(x+4)\)

Answer 3

\[\frac{5x(x-4)(x+4)-7x(x-4)+9(x+4)}{x^2(x-4)(x+4)}\]

Answer 4

you got this?

Answer 5

final answer i think is
\[\frac{5 x^3-7 x^2-61 x-36}{x^2(x-4) (x+4)}\]