Answers

2014-08-12T07:44:39+08:00
1. 4x^2-9y^2
2. 25x^2-25
3. x^2-25
4. m^2+9m+18
5. 12x^2- 30xy+12y^2
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2014-08-13T20:25:55+08:00
1. 4x²-9y²
2. 25x²-16y²
3. x²-25
4. m²+9m+18
5. 12x²-30xy+12y²

tama poh ba ung given sa 6 ??
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