tolong bantu jawab a,b,c

a) faktor :
(x-10) (x-2)

(x-10) = 0 (x-2)=0
x-10=0 x-2 = 0
x = 10 x = 2
Hp {10,2}

B) faktor :
x(2x-1)
(2x-1) = 0
2x-1=0
x = 1/2
Hp{1/2}

C) faktor :
(4x + 5) (x-2)
(4x-5) = 0 (x-2) = 0
4x-5 = 0 x-2= 0
4x = 5 x= 2
x = 5/4
Hp{5/4,2}