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prohojiy [21]
3 years ago
6

A) Simplify X-2 7(x - 2)2

Mathematics
2 answers:
STatiana [176]3 years ago
6 0

Answer:

7x^2 -28x +28

Step-by-step explanation:

7(x - 2)^2

7 ( x-2)(x-2)

Foil

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

Combine like terms

7( x^2 -4x+4)

Distribute

7x^2 -28x +28

Archy [21]3 years ago
4 0

Answer:

  \dfrac{1}{7x-14}

Step-by-step explanation:

Perhaps you want to simplify ...

  \dfrac{x-2}{7(x-2)^2}=\dfrac{x-2}{x-2}\cdot\dfrac{1}{7(x-2)}=\boxed{\dfrac{1}{7x-14}}

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Simplify.<br> -3(u + 3) + 4(4u + 2)
sergeinik [125]

Hello!

So, here you want to do the distributive property.

Start on the left side of the + sign...

-3*u = -3u

-3*3 = -9

So we now we have:

(-3u + -9) + 4(4u + 2)

Now we focus on the right side of the + sign...

4*4u=16u

4*2=8

So now we have:

(-3u + -9) + (16u + 8)

Now you want to combine like terms. Start by adding terms with the same variable. So, we need to add -3u and 16u

<em>-3u + 16u =</em> 13u

Now we have:

13u + -9 + 8

Now add the constants, -9 + 8

-9 + 8 = -1

So, the simplified expression would be:

13u - 1 or 13u + -1

6 0
2 years ago
Read 2 more answers
What are the zeros of f(x) = x2 + x - 12?
ycow [4]

Answer:

(x+4)(x-3) or A

Step-by-step explanation:

I'm going to assume that you meant to write x² and not x2

which means we have

x²+x-12

and we need to factor this

to do this we need two numbers that add up to 1 (b) but mulitply to -12 (a*c)

our two numbers are

4, -3

Which means the answer is

(x+4)(x-3)

5 0
2 years ago
Read 2 more answers
Three bells toll at intervals of 8 minutes, 15 minutes, and 24 minutes respectively. If they toll together at 3 p.m., at what ti
Mariana [72]
What is the LCM of 8, 15, and 24? 120
That means, it would be 120 minutes before they are together again.
120 minutes after 3 pm is 5:00 pm

5 0
3 years ago
A 3 pound pork loin can be cut into 10 pork chops with equal weight. How many ounces is each pork chop?
Misha Larkins [42]

Answer

Find out the how many ounces is each pork chop .

To prove

Relationship between pound and ounce .

1 pound = 16 ounce

As given

A 3 pound pork loin can be cut into 10 pork chops with equal weight.

Now for 3 pound pork loin = 3 × 16

                                            = 48 ounces

now 48 ounces of  pork loin can be cut into 10 pork chops with equal weight.

Than

weight\ of\ each\ pork\ chops = \frac{48}{10}

                                                         = 4.8 ounces

Therefore the weight of each ounce be 4.8 ounces .





6 0
3 years ago
Given that 16 ounces equals 1 pound, how many ounces are in 8.9 pounds
pishuonlain [190]
Hi,
About 142.4 is the answer!

I hope this helped!
5 0
3 years ago
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