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Mathematics 15 Online
OpenStudy (anonymous):

Simplify. (3x2 + 2x + 7x3) + (10x2 + 6x + 9) A) 7x3 + 13x2 + 8x + 9 B) 7x3 + 30x2 + 12x + 9 C) 13x2 + 8x + 16x3 D) 13x4 + 7x3 + 8x2 + 9 @itzhannahx

OpenStudy (anonymous):

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