(+9)×(−4)= (+9)\times(-4)= (+9)×(−4)=
Due to the fact that we are multiplying a positive number by a negative number, the result must be a negative number:
+×−=− +\times-=- +×−=−
Therefore:
+9×−4=−36 +9\times-4=-36 +9×−4=−36
−36 -36 −36