Jawapan

2015-09-05T02:06:25+08:00
2015-09-05T07:47:54+08:00
 y^{2} + 2xy +  x^{2}
________________
 x^{2} + 2xy + y^{2}
( x + y )( x + y )
 ( x + y )^{2}

Semoga membantu^^