Question

If p(x) = 6x^3 + 5x^2-3x+2 , find p(-1)

Answer 1

p(x) = 6x³+5x²-3x+2

p(-1) = 6(-1)³+5(-1)²-3(-1)+2

= -6+5+3+2
= -6+10
= 4

Answer 2

6(-1)^3 + 5(-1)^2 - 3(-1) + 2

-6 + 5 + 3 +2

-1+3+2

ans: 4