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mezya [45]
3 years ago
15

What is 2x to the second power + x + 3 x - 5

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
8 0
Answer:
2x^2+4x-5

Step by step explanation:

2x^2+x+3x-5

Collect the like terms
>> x+3x

= 4x

After you combined like terms that gives you

2x^2+4x-5
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3x - x + 3 + x - 5 - x = x + 10
egoroff_w [7]

Answer:

x=12

Step-by-step explanation:

Let's solve your equation step-by-step.

3x−x+3+x−5−x=x+10

Step 1: Simplify both sides of the equation.

3x−x+3+x−5−x=x+10

3x+−x+3+x+−5+−x=x+10

(3x+−x+x+−x)+(3+−5)=x+10(Combine Like Terms)

2x+−2=x+10

2x−2=x+10

Step 2: Subtract x from both sides.

2x−2−x=x+10−x

x−2=10

Step 3: Add 2 to both sides.

x−2+2=10+2

x=12

4 0
4 years ago
Read 2 more answers
Solve the division problem 15/4/-5/8
artcher [175]

Answer: -6

<u>Do Keep Change Flip (KCF)</u>

Keep: 15/4

Change: ÷ into ×

Flip: -5/8 into 8/-5

<u>Multiply</u>

15/4*8/-5=120/-20

<u>Divide</u>

120/-20=-6

6 0
3 years ago
Read 2 more answers
The table below shows the percentage of households that own a microwave in different countries. Construct a stem-and-leaf plot o
S_A_V [24]
Ya then 8 |8 8
then 6 |4 9
5 0
3 years ago
Dan sold half of his comic books and then bought 7 more. He now has 13. Which equation best represent the amount of comic books
oee [108]

Answer:

               He started with 12 comic books.                By a 7th Grader

Step-by-step explanation: 13 - 7 = 6    6 x 2 = *12*

3 0
3 years ago
Which expression is equivalent to 8 (a minus 6)?<br> 8 a minus 48<br> 2a<br> 8 a minus 6<br> 48a
frozen [14]

Answer:

8 a minus 48

Step-by-step explanation:

you need to distribute!!

so you distribute the 8 to both the a and 6

8 times a equals 8 a

8 times 6 equals 48

and so that’s how you get 8 a minus 48 c:

4 0
2 years ago
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