Jawabanmu

2014-08-31T19:26:54+07:00
P = y+3×2-xy
q = x2 + 2xy -3y

3p+2p =....

3 ( y + 3x2-xy)
= 3y +9x2 -3xy

2 (x2 + 2xy -3y)
= 2x2 + 4xy - 6y

3y + 9x2 - 3xy + 2x2 + 4xy - 6y
= 3y -6y +9x2 + 2x2 -3xy + 4xy
= -3y + 11x2 + xy

maaf kalo salah
2 5 2