Question

(m-n) (m²+mn+n²)-(m+n) (m²-mn+n²)​

Answer 1

Ответ:

3

-2n

Объяснение:

m3-n3-(m3+n3)

m3-n3-m3-n3

= - 2n3

Answer 2

(m-n) x (m²+mn+n²) - (m+n)x(m²-mn +n²)=m³- n³- (m³+n³)=m³-n³-m³-n³= -2n³