Question

3x^2m . (x⁵ + 2x³ - 1)

Giải giùm ạ! Gắp lắm ạ!

Answer 1

\(=3x^{2m}\cdot x^5+3x^{2m}\cdot2x^3-3x^{2m}\)

\(=3x^{2m+5}\cdot6x^{2m+3}-3x^{2m}\)

Answer 2

\(=­3x^{2m}.x^5+3x^{2m}.2x^3-3x^{2m}\)

\(=3x^{2m+5}+6x^{2m+3}-3x^{2m}\)