-(u - 3)(u-1)-(u-6)(u+6) преобразуйте в многочлен

Question

-(u - 3)(u-1)-(u-6)(u+6) преобразуйте в многочлен

Answer 1

-(u-3)(u-1)-(u-6)(u+6)=-(u²-u-3u+3)-(u²+6u-6u-36)=-(u²-4u+3)-(u²-36)=-u²+4u-3-u²+36=-2u²+4u+33

Answer 2

-(u - 3)(u-1)-(u-6)(u+6)=-(u²-u-3u+3)-(u²+6u-6u-36)=-u²+4u-3-u²+36=-2u²+4u+33