Question

determine the quadratic equation whose sum and product of roots are -9,20​

Answer 1

Answer:

quadratic equation which has sum and product of roots are -9 and 20 is x^2-9x+20=0

Answer 2

Answer:

x^2 + 9x + 20 = 0

Step-by-step explanation:

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

therefore the required polynomial is

x^2 - (-9)x + 20 = 0

x^2 + 9x + 20 = 0