Jawabanmu

2014-08-30T12:53:21+07:00
Gaakk adaa soalnyaa siiih????
gambarnya juga gak ada
2014-08-30T16:28:27+07:00
Pake segitiga pascal? oke

(2x-y)³
=1(2x)³ + 3(2x)²(-y) + 3(2x)(-y)² + 1(-y)³
=8x³ - 6x²y + 6xy² - y³