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Mathematics 11 Online
OpenStudy (anonymous):

What is the simplified form of (4j^2 + 6) + (2j^2 – 3) I think it's 6j^2+9

OpenStudy (anonymous):

6j^2+3

OpenStudy (anonymous):

no you are making a little mistake

OpenStudy (anonymous):

as it would appear I thought it might have been 6j^2-3 but thats wrong also

OpenStudy (anonymous):

-3 since J^2=-1

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