Verified answer

Réponse:

[tex](a + b) {}^{2} \times (a + b) ^{1} [/tex]

[tex](a {}^{2} + 2ab + b {}^{2} )(a + b)[/tex]

[tex]a {}^{3} + a {}^{2} b + 2a {}^{2} b + 2ab {}^{2} + ab {}^{2} + b {}^{3} [/tex]

[tex]a {}^{3} + 3a {}^{2} b + 3ab {}^{2} + b {}^{3} [/tex]