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belindastubbg93 belindastubbg93
  • 26-04-2015
  • Mathematics
Answered

x+4/x-1 divided by x^2 +x/x-1

3/2x-1 subtract by 5/2x-1

how do you do them

Verified Answer :

Panoyin
Panoyin Panoyin
  • 27-04-2015

\(\frac{x + 4}{x - 1} / \frac{x^{2} + x}{x - 1} = \frac{x + 4}{x - 1} * \frac{x^{2} + x}{x - 1} = \frac{(x + 4)(x^{2} + x)}{(x - 1)(x - 1)} = \frac{x^{3} + x^{2} + 4x^{2} + 4x}{x^{2} - x - x + 1} = \frac{x^{3} + 5x^{2} + 4x}{x^{2} - 2x + 1} = x + 7 + \frac{17x - 7}{x^{2} - 2x + 1}\)

\(\frac{3}{2x - 1} - \frac{5}{2x - 1} = -\frac{2}{2x - 1}\)

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