Question

1. Find the value of the polynomial 5x - 4x2 + 3 at
(i) = 0
(ii) x= -1 (iii) x = 2
answers are (i) 3 (ii) -6 (iii) -3 but how ????​

Answer 1

Answer:

Find the value of the polynomial 5x - 4x2 + 3 at

(i) = 0

(ii) x= -1 (iii) x = 2