Answer :
Answer:
Explanation: x2-21x+108
(x-12)(x-9)=0
x = 12,9
sum of roots = z+y = -b/a=21/1=21= z+y=21
product of roots =z*y =c/a = 108/1 =108 =zy=108
verifyed
Answer:
Explanation: x2-21x+108
(x-12)(x-9)=0
x = 12,9
sum of roots = z+y = -b/a=21/1=21= z+y=21
product of roots =z*y =c/a = 108/1 =108 =zy=108
verifyed