Solve b(a+4): Substituting Values a=-6 and b=-2

b⋅(a+4)= b\cdot(a+4)=

Replace and calculate if a=−6,b=−2 a=-6,b=-2

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:11 First, let's set up our problem and get ready to calculate.
00:16 Next, we'll substitute the right values in place. Remember to be careful with parentheses!
00:28 Now, let's calculate inside the parentheses.
00:38 Remember, a negative number times a negative number is always positive.
00:43 And there you go! That's how we find the solution to the problem.

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

b⋅(a+4)= b\cdot(a+4)=

Replace and calculate if a=−6,b=−2 a=-6,b=-2

2

Step-by-step solution

Let's begin by inserting the known data into the formula:

−6×(−2+4)= -6\times(-2+4)=

First, let's solve the expression inside of the parentheses:

−2+4=2 -2+4=2

We should obtain the following expression:

−6×2= -6\times2=

Remembering the rule:

(−x)×(+x)=−x (-x)\times(+x)=-x

The answer should be:

−12 -12

3

Final Answer

−12 -12

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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