Solve: Finding the Missing Sign in (4)·(?)=-12

Fill in the corresponding sign for the following question

(4)⋅(?3)=−12 (4)\cdot(?3)=-12

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Complete the appropriate sign
00:04 The solution is negative, so we want a sign that results in a negative outcome
00:11 Positive times negative always equals negative
00:15 Therefore the appropriate sign is negative
00:18 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Fill in the corresponding sign for the following question

(4)⋅(?3)=−12 (4)\cdot(?3)=-12

2

Step-by-step solution

Let's consider what we would need to multiply by a positive in order to obtain a negative number.

Let's remember the rule:

(+x)×(−x)=−x (+x)\times(-x)=-x

Therefore, the answer will be:

−3 -3

3

Final Answer

(−) (-)

Practice Quiz

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Solve the following exercise:

\( (+5)\cdot(+5)= \)

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