Question

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

Answer 1

Answer:

when, x=-1,

5x-4^+3

=5*(-1) -16+3

=-5-16+3

=-21+3

=-17

when, x=5,

5*5-4^+3

=25-16+3

=28-16

=12