terng! abj gung lbh unir genafyngrq guvf
lbh zhfg fbyir gur sbyybjvat rdhngvba
(k3−2k2+5k−7)(k2−4k+4)+(3k4−k3+2k2−8k+6)(2k3−5k2+k−4)=(k5−3k4+7k3−2k2+4k−9)
qb vg
be ryfr.
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i dont wanna