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Is 2(5m-4)-3(m-5)^2 equivalent to -3m^2+40m-83? Show your work.

Is 2(5m-4)-3(m-5)^2 equivalent to -3m^2+40m-83? Show your work.
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Is 2(5m-4)-3(m-5)^2 equivalent to -3m^2+40m-83? Show your work.

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User Isaac Overacker
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1 Answer

5 votes


\\ \sf\longmapsto 2(5m-4)-3(m-5)^2


\\ \sf\longmapsto 10m-8-3(m^2-10m+5^2)


\\ \sf\longmapsto 10m-8-3(m^2-10m+25)


\\ \sf\longmapsto 10m-8-3m^2+30m-75


\\ \sf\longmapsto -3m^2+30m+10m-75-8


\\ \sf\longmapsto -3m^2+40m-83

answered
User Minorblend
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7.9k points
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