M³-n³-6m(m²+mn+n²) помогите

Question

M³-n³-6m(m²+mn+n²)
помогите

Answer 1

M³-n³-6m(m²+mn+n²) = (m-n)(m²+mn+n²) -6m(m²+mn+n²) =  (m-n-6m)(m²+mn+n²)  = -(n+5m)(m²+mn+n²)