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pav-90 [236]
2 years ago
7

I'm GIVING POINTS OUT TO THOSE WHO DO THESE CHARACTERS: 0000000000000000000

Mathematics
1 answer:
hoa [83]2 years ago
8 0

Thank you! Can I also have brainliest plsssss!!!!

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How do you solve 6) n2+7n+15=5 by factoring?
charle [14.2K]
First, you need to set the equation equal to zero:

n^2 + 7n + 10 = 0

Now we factor. We need to find two numbers that add up to 7 and multiply to 10. 

2 + 5 = 7
2 * 5 = 10

Now, we just need to write this as a polynomial:

(n + 2) (n + 5)
is our answer. 

Hope this helps!
8 0
3 years ago
What is the gradient of the graph shown​
gavmur [86]

Answer:

Use the formula change in y divided by change in x to get your answer

8 0
2 years ago
Plez help finding percent change
Semenov [28]

Answer:

can't see proprly

Step-by-step explanation:

8 0
3 years ago
Using synthetic division, find (x4 − 2) ÷ (x + 1).
Fiesta28 [93]

Answer:

Step-by-step explanation:

We have given:

x^4-2/x+1

Put x+1 = 0

x= 0-1

x= -1

-1 | 1   0   0   0   -2

  |      -1   1   -1     1

_______________

    1    -1   1  -1    -1

Thus it makes the expression:

x^3-x^2+x-1 - 1/x+1

You can further confirm this expression by solving the expression:

(x4 − 2) ÷ (x + 1).

x^4 - 1 -1/x+1

x^4-1/x+1 - 1/x+1

(x^2-1) (x^2+1)/x+1 - 1/x+1

(x-1)(x+1) (x^2+1)/x+1  - 1/x+1

x+1 n the numerator will be cancelled out by x+1 in the denominator.

(x-1) (x^2+1) - 1/x+1

Multiply (x^2+1) by x-1

x(x^2+1) -1(x^2+1)  - 1/x+1

x^3+x-x^2-1 - 1/x+1

x^3-x^2+x-1 - 1/x+1 ....

6 0
3 years ago
Try one on your own! Find the midpoint of
valkas [14]
I don’t really know BAT ST Y S(
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3 years ago
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