Question

me ajudemm pfvvvvvv :((

Answer 1

Resposta:

$9x {}^{6 } - 6x {}^{4} y + x {}^{2} y {}^{2}$

Explicação passo-a-passo:

$(3x {}^{3} - xy) {}^{2} = (3x {}^{3} ) {}^{2} - 2.3x {}^{3} xy + (xy) {}^{2}$

$9x {}^{6} - 6x {}^{4} y + x {}^{2} y {}^{2}$