Calculate the Product: Solving (+9)×(-4) with Integer Multiplication

(+9)×(4)= (+9)\times(-4)=

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00:00 Solve
00:03 Positive times negative is always negative
00:06 Calculate
00:09 And this is the solution to the question

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1

Understand the problem

(+9)×(4)= (+9)\times(-4)=

2

Step-by-step solution

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

3

Final Answer

36 -36

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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