Sagot :
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Answer:
1. -6x - 3
+ 3x - 9
ANSWER IS: (-3x - 12 )
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2. 5x² + 10xy + 4y²
+ 7x² + 8xy - 6y²
ANSWER IS : ( 12x² + 18xy - 2y² )
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Answer:
1. -6x - 3
+ 3x - 9
ANSWER IS: (-3x - 12 )
-------------------------
2. 5x² + 10xy + 4y²
+ 7x² + 8xy - 6y²
ANSWER IS : ( 12x² + 18xy - 2y² )
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