3x le 2x² ha kum mon uba la beh noh. Ha kynhun 3x, 3 u coefficient, bad x u variable. Ha 2x², 2 u coefficient, hynrei u exponent 2 kawei pat rukom jong u variable. Kawei ka variable bad exponent kam don, kata hi ka bynta kaba pynpang ia ngi. U dkhot jong nga, ka fuse, kaba skhem bad ka junction box kam ju pyndap, kumta dei tang shu wan lehkhot ruh ngi lah ban pynbeit.
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