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What is sum of -3x^2 - 7x + 9 and - 5x^2 + 6x - 4 ​
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What is sum of -3x^2 - 7x + 9 and - 5x^2 + 6x - 4 ​

User RichGoldMD
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-8x2-x +5 hope this helps
User Blablabla
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