Question

qual e o polinomio reduzido que representa a expressao (a+2)(a-3)+(2a-1)(a+1) ?

Answer 1

$\alpha^2+3 \alpha +2 \alpha +-6+2 \alpha ^2+2 \alpha +-1=$

$( \alpha ^2+2 \alpha ^2)+(-3 \alpha +2 \alpha +2 \alpha +- \alpha )+(-6+-1)$

$3 \alpha^2+-7$ RESPOSTA