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Mathematics 10 Online
OpenStudy (anonymous):

5r^2=16r+16 solve the equation

OpenStudy (imtant):

Bring 16r+16 to the left become -16r-16..and then factorize it..

OpenStudy (imtant):

you will get 4 and -4/5..

OpenStudy (imtant):

remember to put x=4 and x=-4/5..

OpenStudy (anonymous):

i got lost after i got 5r^2-4r+20r+16

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