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Mathematics 9 Online
OpenStudy (anonymous):

Subtract. (6y3 - 4y2 + 7) - (3y3 + y2 - 2y - 5) Answer 3y3 - 5y2 + 2y + 12 9y3 - 3y2 - 2y + 2 3y3 - 3y2 - 2y + 2 -3y3 + 3y2 - 2y - 12

OpenStudy (anonymous):

@pfenn1 Thanks for helping with the last problem I understood it after you said that.

OpenStudy (pfenn1):

The trickiest part of this expression is you have to correctly distribute that negative sign over the second part of the expression. Once you do that, collect like terms and simplify.

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