Question

the value of the polynomial 5 x - 4 x square +3
at x=-1 ​

Answer 1

Answer:

(a) Let p (x) = 5x – 4x2 + 3 …(i)

On putting x = -1 in Eq. (i), we get

p(-1) = 5(-1) -4(-1)2 + 3= - 5 - 4 + 3 = -6