Question

10. Verify, whether 4 and 5 are the zeros of the quadratic Polynomial x? - 9x + 20 or not.​

Answer 1

Answer:

Step-by-step explanation:

x^2-9x+20

x2-4x-5x+20

x(x-4)-5(x-4)

(x-4)(x-5)

x=4 or 5