Question

If p(x)=3x³-2x²-x+4, then find the value of p(-1).

Answer 1

p(-1)=3(-1)^3-2(-1)^2-(-1)+4
=-3-2+1+4
=-5+5
=0

Answer 2

Answer:

p(-1) = 3x^3 - 2x^2 - x + 4

p(-1) = 3(-1)^3 - 2(-1)^2 - (-1) + 4

      = -3 - 2 + 1 + 4

      = -5 + 5

      = 0

The value is 0