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Mathematics 9 Online
OpenStudy (anonymous):

-6x^2-(10x^2+9d)

OpenStudy (anonymous):

-60^4-54dx^2

hartnn (hartnn):

60 ?? are you multiplying instead of adding ?

OpenStudy (anonymous):

I Might Be

hartnn (hartnn):

-(10x^2+9d)= ??

OpenStudy (anonymous):

-(10x^2+9d)

hartnn (hartnn):

=?

hartnn (hartnn):

distribute the - *minus* sign .....

OpenStudy (anonymous):

So (10x^2-9d

hartnn (hartnn):

-6x^2-10x^2-9d

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