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OpenStudy (anonymous):
When this polynomial is simplified, what is the coefficient of x^2: 10x^2+8x-6x^3+4x^2+12x^3-x+20
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jimthompson5910 (jim_thompson5910):
10x^2+4x^2 = (10+4)x^2 = 14x^2 So the answer is 14
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