Question

A qaudratic polynomial whose zereos are -4 and -5 are​

Answer 1

Answer:

For quadratic equation, we need sum and product of roots

Step-by-step explanation:

sum of roots =-4+(-5)

=-9

product of roots=-4×-5

= 20

quadratic equation formula=x^2-(sum of roots)x + (product of roots)

putting values,

quadratic equation=x^2 -(-9)x +(20)

=x^2+9x+20