Question

find the value of polynomial 5x+8x²-6 at x=-1​

Answer 1

Answer:

-3

5×-1 + 8(-1)^2 -6 =-5+8×1-6=

-3

Answer 2

ANSWER IS

-19

QUESTION

FIND THE VALE OF POLYNOMIAL $5X+8X^{2}-6$ AT X=-1

STEP BY STEP ANSWER

P(x)= $5X+8X^{2}-6$

P(-1)=$5(-1)+8(-1)^{2}-6$

P(-1)=$-5-8-6$

P(-1)=-19

SO YOUR ANSWER IA -19