Simplify the expression 2(x+5)^1/3-3x(x+5)^-2/3 all divide by (x+5)^2/3?

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please help

2007-01-07 15:16:12 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

You need to factor it:

2(x+5)^1/3-3x(x+5)^-2/3
= (2x+10-3x)/(x+5)^2/3
= (10-x)/(x+5)^2/3

2007-01-07 15:24:18 · answer #1 · answered by sahsjing 7 · 0⤊ 0⤋

(2(x + 5)^(1/3) - 3x(x + 5)^(-2/3))/((x + 5)^(2/3))

2(x + 5)^((1/3) - (2/3))) - (3x)(x + 5)^((-2/3) - (2/3))

2(x + 5)^(-1/3) - (3x)(x + 5)^(-4/3)

2007-01-07 15:36:53 · answer #2 · answered by Sherman81 6 · 0⤊ 0⤋