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Mathematics 14 Online
OpenStudy (anonymous):

Using the polynomials Q = 3x2 + 5x - 2, R = 2 - x2, and S = 2x + 5, perform the indicated operation. Q - [R + S] a)2x2 + 3x - 9 b)4x2 - 3x + 9 c)2x2 - 3x + 9 d)4x2 + 3x - 9

OpenStudy (anonymous):

D

OpenStudy (radar):

Q-(R+S) becomes 3x^2+5x-2-2+x^2-2x-5 Consolidate like terms this becomes 4x^2+3x-9

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