Question

Which expression is not equivalent to -4x^3+x^2-6x+8?

a) x^2(-4x+1)-2(3x-4)
b) x(-4x^2-x+6)+8
c) -4x^3+(x-2)(x-4)
d) -4(x^3-2)+x(x-6)

Answer 1

option b is not equal to the given polynomial