Question

Elimine os parentes :

$(3x^{2} +9x-5) + (2 x^{2} -8x-3)=$

Answer 1

Olá

$(3x^{2} +9x-5) + (2 x^{2} -8x-3) =\ \textgreater$

$3x^{2} +9x-5 + 2 x^{2} -8x-3 =\ \textgreater$

$5x^2 + x - 8$

certo!?