Formula yg menyenangkan hati~

study = tak fail.....(1)

tak study = fail.....(2)

(1) + (2) 

study + tak study = tak fail + fail

faktorkan

study (1 + tak) = fail (1+ tak)

study (1 + tak) = fail (1+ tak)

maka,

study = fail

so, x yah study (^o~)