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Slav-nsk [51]
3 years ago
14

If 1 factor of 6x3 + 23x2 − 6x − 8 is (x + 4), what are the other 2 factors?

Mathematics
1 answer:
spin [16.1K]3 years ago
7 0
Use synthetic division to find the quadratic:

-4 | 6 23 -6 -8
6 -24 4 | 8
—————-
6 -1 -2 | 0 = 6x²-x-2 = (3x+1)(2x-1)

So the other two factors are 3x+1 and 2x-1.
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Refrection of (-20, 4) across y = -x gives (20, -4)

Refrection of (-20, 4) across y = 7 gives (20, 10)
4 0
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1 1/4 miles equals how many feet
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I Hope This Helps ( Don't Forget To Add Me & Say Thank Youu ❤️ )

7 0
3 years ago
Expand : (3x+5y)²<br>please answer​
alukav5142 [94]

Answer:

FOIL:  9x^2 +30xy + 25y^2

(3x + 5y)(3x+5y)

F: 3x*3x

O: 3x*5y

I: 5y*3x

L: 5y*5y

9x^2 +30xy + 25y^2

Step-by-step explanation:

4 0
3 years ago
A jar of natural peanut butter normally cost $4.00. Today its on sale for $3.60. What is the percentage of the discount
mafiozo [28]

Answer:

Ambitious

Answer

Find out the what is the percentage of this discount .

To prove

Formula

Discount = Marked price - selling price

As given

a jar of natural peanut butter normally costs $4.00 .

it's on sale for $3.60 .

thus

Marked price = $4.00

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put in the above formula

Discount = 4.00 - 3.60

              = 0.4

Formula

put the value

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Option (a) is correct .

Hence proved

8 0
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