1.
а)12c-32
b)=18x-6xy+2y+12x-4y=30x-6xy-24
c)=2m+2n+mn+2m+2n+1=4m+4n+2mn+1
2.
а)= 6x-16+16x^2-64+100x=106x+16x^2-80
если x=-2, то 106x+16x^2-80=106×(-2)+16×2^2-80=-212+64-80=-228
1.
а)12c-32
b)=18x-6xy+2y+12x-4y=30x-6xy-24
c)=2m+2n+mn+2m+2n+1=4m+4n+2mn+1
2.
а)= 6x-16+16x^2-64+100x=106x+16x^2-80
если x=-2, то 106x+16x^2-80=106×(-2)+16×2^2-80=-212+64-80=-228