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Mathematics 8 Online
OpenStudy (anonymous):

add the polynomials (2a^2b+5ab^2)+(3ab^2-2a^2b)

OpenStudy (omnomnom):

\[10ab^2 + 2ab^2b \]

OpenStudy (omnomnom):

well you know wat i mean 2ab^2b

OpenStudy (anonymous):

it's not 8ab^2 ?

OpenStudy (omnomnom):

wait hold on i made a mistake

OpenStudy (omnomnom):

8ab^2 thats it cuz the others cancel eachother out

OpenStudy (anonymous):

ok, thanks

OpenStudy (omnomnom):

so yeah you were right sorry i made a mistake :D

OpenStudy (anonymous):

can you show me how the others cancel the other ones out ?

OpenStudy (omnomnom):

:D okay

OpenStudy (omnomnom):

so all thats left is basically 2ab^2b - 2ab^2b it automaticaly cancels out because its the same positive number minusing the same negative number... isk how else to explain do you understand?

OpenStudy (anonymous):

thanks

OpenStudy (omnomnom):

your welcome :D feel free to make me as the best response :D

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