Question

Efectuați pe DVA

Vă rog frumos cu rezolvare.

Apreciez rsp. vostru​

Answer 1

$\frac{ - 125}{x {}^{2} - 5x} + \frac{x {}^{2} }{x - 5} = \frac{ - 125}{x(x - 5)} + \frac{x {}^{2} }{x - 5} = \frac{ - 125 + x {}^{3} }{x(x - 5)} = \frac{ x {}^{3} - 5 {}^{3} }{x(x - 5)} = \frac{(x {}^{2} + 5x + 5 {}^{2} )(x - 5)}{x(x - 5)} = \bold{ \frac{x {}^{2} + 5x + 25 }{x} }$