Solve (-3)×(-5): Multiplying Two Negative Numbers

What is the answer to the following exercise?

(−3)⋅(−5)= (-3)\cdot(-5)=

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Step-by-step video solution

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00:00 Solve
00:09 Negative times negative is always positive
00:16 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

What is the answer to the following exercise?

(−3)⋅(−5)= (-3)\cdot(-5)=

2

Step-by-step solution

Let's remember the rule:

(−x)×(−x)=+x (-x)\times(-x)=+x

Therefore, the sign of the exercise result will be positive:

−3×−5=+15 -3\times-5=+15

3

Final Answer

15 15

Practice Quiz

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What will be the sign of the result of the next exercise?

\( (-2)\cdot(-4)= \)

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