Question

помогите пожалуйста срочно

Answer 1

$(a {}^{2} + b {}^{2} ) {}^{3} = a {}^{6} + 3a {}^{2} b {}^{2} + b {}^{6}$.
(x²-y²)³=x^6-3x²y²+y^6
(2m²-3n²)³=8m^6-15m²n²+n^6