Question

3) If the Roots of a quadratic equation are 4 and -5 then form the
quadratic equation.​

Answer 1

Answer:

sum of the zero =-b/a

product of the zeroes = c/a

zeroes are 4 and-5

4/1=-b/a

-5/1=c/a

b=-4

a=1

c=-5

x²-4x-5 is the quadratic equation