Question

check weartner 3 and -5 are the zeros of the polynomial xsquare-8x+15​

Answer 1

hey ..

P (x) = x^2 - 8x + 15

P(3) = (3)^2 - 8(3) + 15
= 9 - 24 + 15
= 24 - 24
= 0

P(-5) = (-5)^2 - 8(-5) + 15
= 25 + 40 + 15
= 80

Answer 2

Answer:

Step-by-step explanation: