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Mathematics 7 Online
OpenStudy (anonymous):

x(x^2-5)=x^3-4x+10

OpenStudy (anonymous):

x^3-5x=x^3-4x+10 -5x+4x=10 -x=10 x=-10

OpenStudy (anonymous):

the 4x is from what? i tough id be x^3 -5x?

jimthompson5910 (jim_thompson5910):

The 4x on the left side of the second step is from the last poster adding 4x to both sides

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