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Mathematics, 14.06.2021 19:20 mrsqueenbabe516

Which expression is equivalent to (10 + 7r - r²) + (-6r² - 18 + 5r)?

Which expression is equivalent to (10 + 7r - r²) + (-6r² - 18 + 5r)?

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Which expression is equivalent to (10 + 7r - r²) + (-6r² - 18 + 5r)?
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