Jawabanmu

Jawaban paling cerdas!
2014-08-09T16:32:57+07:00
-x²-y²+10x-y-xy+5 - (-3x²-3y²+7x+2y-xy+1)
= -x²+3x² - y²+3y² + 10x-7x - y-2y -xy+xy +5-1
= 2x² + 2y² +3x -3y +4
2 5 2
2014-08-09T16:34:55+07:00
2x²+2y²+3x-3y+4
cat: xy habis disetelah dikurangi

1 5 1