(3x+1)^3 (6-2m)^2 Решите пожалуйста

Question

(3x+1)^3
(6-2m)^2
Решите пожалуйста

Answer 1

(3x+1)^3=

=(3x)^3+3*(3x)^2*1+3*3x*1^2+1^3=

=27x^3+3*9x^2*1+3*3x*1+1=

=27x^3+27x^2+9x+1

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(6-2m)^2=

=6^2-2*6*2m+(2m)^2=

=36-24m=4m^2