Question

Bantu jawab dong............

Answer 1

X + y= 12
x=12- y
subtitusikan nilai x=12- y
p= ( 2.(12-y) - y ) (y-2)
p= (24-2y-y) (y-2)
( -3y + 24) (y-2)
-3y^2 + 30y - 48 = 0
------------------- : - 1/3
y^2 + 10y - 16
( y - 8) (y - 2) = 0
y = 8 atau y = 2
Hp = {8,2}