Question

If x, b are the zero of the polynomial 2y2+7y+5,write the value of x+b+xβ

Answer 1

Step-by-step explanation:

x+b=-b/a

db=c/a

x+b+xb=-b/a+c/a=-b+c/a

a=2. b=7. c=5

x+b+xb=-7+5/2=-2/2. =-1.

Answer 2

Answer:

answer attached in photo