РЕШИТЕ СРОЧНО !!!!!!!!!!!!!!!!!!!!!!!! даю 20 баллов

#11,5*(-1)^3-2,4*2=1,5*(-1)-4,8=-1,5-4,8=-6,3#2-4x^3(x^2-3x+2)=-4x^5+12x^4-8x^3(1-x)(2y+x)=2y+x-2xy-x^2