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Mathematics 16 Online
OpenStudy (anonymous):

(-2x2 -3x + 7) - (2x3 - 5x + 10)

OpenStudy (the_fizicx99):

\(\ \sf - (2x3 - 5x + 10) \implies -1(2x3 - 5x + 10) \) Simplify -1(2x3 - 5x + 10), then combine like terms.

OpenStudy (the_fizicx99):

Wow that fail, \(\ \sf -1(2x^3 - 5x + 10) \)

OpenStudy (anonymous):

thanks! But is the -1 in front necessary?

OpenStudy (the_fizicx99):

Um, the negative sign is an understood -1, but it'd be the same if you distribute it negative sign if you want to think of it like that.

OpenStudy (anonymous):

k thanks!

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