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16-01-2021
Mathematics

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Subtract 5x2 – 2x – 5 from -2x2 – 5x – 7.

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upandover upandover

16-01-2021

-2x^2 - 5x - 7 - (5x^2 - 2x - 5) -- Set up the equation and distribute the negative

-2x^2 - 5x - 7 - 5x^2 + 2x + 5 -- Combine like terms

-7x^2 - 3x - 2 -- Answer!

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