Question

if a
and Bare zero of
x2+5x+8
then the valu of (a+b) is
​

Answer 1

x² + 5x + 8

a = 1

b = 5

c = 8

Given A and B are zero of polynomial

Sum of polynomial = A + B

sum = – b / a

A + B = – 5/ 1

A + B = – 5