Question

化简并求值：（-x）2*x+x6/(-x)3+x2*(-x2)+1,其中x+2=0

Answer 1

（-x）2*x+x6/(-x)3+x2*(-x2)+1,其中x+2=0

x+2=0,x=-2

（-x）2*x+x6/(-x)3+x2*(-x2)+1

=x²*x+x^6/(-x³)+x²*(-x²)+1

=x³-x³-x^4+1

=1-(-2)^4

=1-16

=-15