Mathematics, 04.09.2019 18:30 nick607

Which of the following is equivalent to the expression below? (6n^2+3n+20+(3n^2-7n-5) a.5n^2-3 b.19n^2+7 c.9n^2+10n+7

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Which of the following is equivalent to the expression below? (6n^2+3n+20+(3n^2-7n-5) a.5n^2-3 b.19...

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