What is the answer to the following exercise?
(−3)⋅(−5)= (-3)\cdot(-5)= (−3)⋅(−5)=
Let's remember the rule:
(−x)×(−x)=+x (-x)\times(-x)=+x (−x)×(−x)=+x
Therefore, the sign of the exercise result will be positive:
−3×−5=+15 -3\times-5=+15 −3×−5=+15
15 15 15