Jawabanmu

2014-08-20T21:48:08+07:00
2 . 7 . 3^2 . x^9
atau 126 . x^9
. (titik) = dikali
^ = pangkat
2014-08-20T21:57:19+07:00
2x³ . 7x^4 . (3x)²
= 2x³ . 7x^4 . 9x²
=  126x^{3+4+2}
=  126x^{9}
2 5 2