Question

a quadratic Pl whose zeros are -4 and -5 is ??​

Answer 1

Step-by-step explanation:

equation is

x²-(-4-5)x + (-4)(-5)

x²-(-9)x + 20

x²+9x+20

.This is the answer friend please mark it as brain list..

Answer 2

Given ↘️

zeros of Polynomial are (-4) and (-5)

Solution↘️

We know that,

Sum of zeros = -b/a

=> -4+(-5) = -b/a

=> -9/1 = -b/a

So,

b = 9

b = 9a = 1

Product of zeros = c/a

=> -4 x -5 = c/a

=> 20 = c/a

So,

c = 20

Hence ,

Polynomial is :-

x² +9x +20