Решите неравенство x+5<2x-1
X+5<2x-1<br>x-2x<-1-5<br>-x<-6<br>x>6
(x^3-3x^2y+3xy^2-y^3) - (x^3+x^2y+3xy^2-y^3) + 5x^2y-xy
X-2x<-1-5 <br>-1x<-6<br>-x<-6<br> x>6