tolong faktor kan dong..

14.)
x^2-100
(X+10) (X-10)
X^2-10X+10X-100
X^2-100

16.)
Y^2+9Y+20
(Y+4) (Y+5)
Y^2+5X+4X+20
Y^2+9X+20

17.)
Y^2-9Y+20
(Y-4) (Y-5)
Y^2-5Y-4Y+20
Y^2-9Y+20

18.)
Y^2+Y-20
(Y-4) (Y+5)
Y^2+5Y-4Y-20
Y^2+Y-20

19.)
2Y^2-5Y-3
(2Y+1) (Y-3)
2Y^2-6Y+1Y-3
2Y^2-5Y-3

20.)
2Y^2+Y-3
(2Y+3) (Y-1)
2Y^2-2Y+3Y-3
2Y^2+Y-3
.... SEMOGA MEMBANTU