Question

Evaluate the polynomial for 
x=2 
and for 
x=−2.

−3x3+8x2−5x−9

Answer 1

@Nnesha

Answer 2

i gutchu

Answer 3

ight boi listen up quickly

Answer 4

x3 + 3x2 + 5x – 4) – (3x3 – 8x2 – 5x + 6)
= (x3 + 3x2 + 5x – 4) – 1(3x3 – 8x2 – 5x + 6)
= (x3 + 3x2 + 5x – 4) – 1(3x3) – 1 (–8x2) – 1(–5x) – 1(6)
= x3 + 3x2 + 5x – 4 – 3x3 + 8x2 + 5x – 6
= x3 – 3x3 + 3x2 + 8x2 + 5x + 5x – 4 – 6
= –2x3 + 11x2 + 10x –10

Answer 5

2x3 – 2x2 + 19x – 10