Answer :
Answer:
x^2-9x+20=0
Step-by-step explanation:
(x−4)(x−5)
(4,0)(5,0)
x^2 - 9x + 20 = 0
x^2 - 4x - 5x + 20 = 0
x(x-4)-5(x-4)=0
(x-5)(x-4)=0
x-4=0
x=0+4
x=4
x-5=0
x=0+5
x=5
x^2 - 4x - 5x + 20 = 0
x(x-4)-5(x-4)=0
(x-5)(x-4)=0
x-4=0
x=0+4
x=4
x-5=0
x=0+5
x=5