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brilliants [131]
3 years ago
15

Which shows one way to determine the factors of 4x3 + x2 - 8x - 2 by grouping?

Mathematics
2 answers:
sergejj [24]3 years ago
8 0

Answer:

(x^2-2)(4x+1)

Step-by-step explanation:

4x^3 + x^2 - 8x - 2

Group:

(4x^3 + x^2)+( - 8x - 2)

Factor out as much as possible: (The GCF)

x^2(4x+1)-2(4x+1)

Regroup:

(x^2-2)(4x+1)

mr Goodwill [35]3 years ago
3 0

Answer:

(4x+1)(x²-2)

Step-by-step explanation:

one way to determine the factors of 4x^3 + x^2 - 8x - 2 by grouping:

x²(4x+1)-2(4x+1)

(4x+1)(x²-2)

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TEA [102]
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3 years ago
15. Write the slope-intercept form of the line described in the following:Parallel to 4x + 5y=20and passing through (12,4)
Amiraneli [1.4K]

Problem

Write the slope-intercept form of the line described in the following:

Parallel to 4x + 5y=20

and passing through (12,4)

Solution>

For this case we need to have the same slope, and if we write the equation given we see:

5y = 20 -4x

y = 4 -4/5 x

then the slope m = -4/5

and we also know a point given x= 12, y= 4 and we can do the following:

4 = -4/5 (12) +b

4 = -48/5 + b

And if we solve for the intercept we got:

b= 4 +48/5= -28/5

And our equation would be given by:

y = -4/5 x -28/5

3 0
1 year ago
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kari74 [83]

Answer:

xfbxcnfcvfxfhdfxbdfhsdxcbndf

Step-by-step explanation:

4 0
3 years ago
13 ? start fraction, 13, divided by, 10, end fraction of a number is what percentage of that number?
zubka84 [21]

Answer:

The percentage is 130\%

Step-by-step explanation:

Let

x-----> the number

we have

\frac{13}{10}x=1.3x

To find the percentage multiply by 100

1.3*100=130\%

7 0
3 years ago
What’s the equation for this graph?
Anni [7]

Answer:

y=-1/4x+2

Step-by-step explanation:

y=mx+b

M=slope

B= y intercept

4 0
3 years ago
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