Question

81 a²-6

Passo a passo pfvr?​

Answer 1

1. Fator comum

$81a^{2} -6\\\\{\red{{\boxed{\sf \ \red{3(27a^{2} -2)}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}$

RESPOSTA FINAL ⇒ ${\red{{\boxed{\sf \ \red{{\red{{\boxed{\sf \ \red{3(27a^{2} -2)}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}$