Question

Find the value of the polynomial 5x - 4x² +3 at x = 2 and x = -1.​

Answer 1

Answer:

Given polynomial 5x−4x

2

+3

(i) If x=0

Then 5(0)−4(0)

2

+3=0−0+3=3

(ii) If x=−1

Then 5(−1)−4(−1)

2

+3=−5−4+3=−6

(iii) If x=0

Then 5(2)−4(2)

2

+3=10−16+3=−3