1)вычислить:

779^3+3*779^2*221+3*779*221^2+221^3+10=?

 

2)преобразуйте в многочлен выражение:

-(u-3)(u-1)-(u-6)(u+6)=?

 

3)-x(x+2)-(x-7)(x^2+7x+49)=?

 

4)2(x-4)(x-3)-(x+6)^2=?

 

5)(u+2)^3-u(u+4)=?

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