Question

Find f(-1)
If f(x) = x3 +2x2 + 6x + 8​

Answer 1

Answer:

-1^2 + 2*-1^2 + 6*-1 + 8

1 + 4 - 6 + 8

13 - 6

7

hope it helps you

Answer 2

Step-by-step explanation:

Here,

f(x) =0

f(-1)=0

so, x = 1

Hence, x³+2x²+6x+8 = 1³+2×1²+6×1+8

= 1+2+6+8

= 17