Jawabanmu

2014-01-27T20:02:13+07:00
8x^-4/2x^-6
= 2x^6/8x^4
= 2x^6/2x^3(4)
= 2x^6/2x^12
= 4x^3/4x^6
= 4x^3
btw 8x^{-2} itu dapet darimana ya? masih belom ngerti, tolong jelasin lagi ya, terimakasih