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Sum of 3x+4y and 9y2-8x isA) IL-5y2 B) -5x+13y2 C) 11x+13y D) -58-13y |
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Answer» Answer: b)-5X+13y2 Step-by-step explanation: 3x and -8x are LIKE terms so put them together and then do the calculation , it GIVES 3x-8x= 5x. And the remaining like terms that is "y" terms calculate the same WAY, which gives you 4y+9y2=13y2. |
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