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Mathematics 21 Online
OpenStudy (anonymous):

Simplify the expression. 3x2 + x – x2 – 2x A. 2x B. 2x2 – x C. 3x2 – 2x D. 4x2 – 3x

OpenStudy (anonymous):

gather like terms

OpenStudy (anonymous):

B. 2x^2 – x

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