Question

Упростите выражения а) (x+5-50/5-x):x^2+25/x^2-10x+25•1/x+5

Answer 1

5х-х^2+25-5х-50/-(х-5)*(х-5)^2/х^2+25*1/х+5=(-х^2-25)*-(х-5)/х^2+25*1/х+5=-(-(х-5))*1/х+5=(х-5)*1/х+5=х-5/х+5