Question

do 19 question in the photo​

Answer 1

Step-by-step explanation:

if -3 and 5 are zeros of the polynomial p(x)

x+3 and x-5 are the factors of p(x)

p(x)=(x+3)(x-5)

p(x)=x²-2x-15

Answer 2

Answer:

let a=-3 and b=5

a+b=-3+5=2

ab= -3×5=-15

The general formula for the quadratic polynomial is:

x^2-(a+b)x+ab=0

x^2-2x-15=0