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Mathematics 8 Online
OpenStudy (anonymous):

HELP

OpenStudy (anonymous):

OpenStudy (helder_edwin):

something vanished from step 5 to step 6. do u see it?

OpenStudy (anonymous):

yes so which one do you think it is? @helder_edwin

OpenStudy (helder_edwin):

i think i just gave u the answer

OpenStudy (anonymous):

im thinking b but im not sure

OpenStudy (helder_edwin):

what vanished from the equation? from step 5 to step 6?

OpenStudy (anonymous):

The x+b over 2a @helder_edwin

OpenStudy (helder_edwin):

no. look carefully the right side of the equation

OpenStudy (anonymous):

ooooo i see it c/a is written the wrong way

OpenStudy (helder_edwin):

yes. the sign is missing. right?

OpenStudy (anonymous):

its suppose to be -c/a

OpenStudy (helder_edwin):

yes

OpenStudy (anonymous):

thank you

OpenStudy (helder_edwin):

u r welcome

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