Question

polinomio aritmético -3 { - ( 2-9+12-4)] + [ (7-4-3-2)] } -18​

Answer 1

❥Holiwi꧂

-3 { - ( 2-9+12-4)] + [ (7-4-3-2)] } -18

=−3(−(−7+12−4))+7−4−3−2−18

=−3(−(5−4))+7−4−3−2−18

=(−3)(−1)+7−4−3−2−18

=3+7−4−3−2−18

=3+3−3−2−18

=3+0−2−18

=3+−2−18

=1−18

=−17 → Respuesta