Question

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

Answer 1

Step-by-step explanation:

$14$

first take out p(-1) and p(2) then add

Answer 2

Answer:

p(-1) = 2*(-1)*3 - (-1)*2 + 3*(-1) + 1

= (-6) - (-2) + (-3) + 1

= -6 + 2 - 3 + 1

= -6 + 2 - 2

= -6 + 0

= -6