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Alisiya [41]
3 years ago
12

Factor Completely: 25x2 - 64

Mathematics
1 answer:
prohojiy [21]3 years ago
6 0
This is a difference of perfect squares which is of the form:

(a^2-b^2)

And which always factors to:

(a-b)(a+b)  

In this case:

(5x-8)(5x+8)
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What is the value of x in the equation<br> 1 x – 8 = 4x + 12?
Bess [88]

Answer:

The value of x is -20/3.

Step-by-step explanation:

3 0
3 years ago
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A mix of factoring by grouping. Factor the exressions. 17ax+17a-x-1 Please explain/show steps on how to do this!
mario62 [17]

Answer:

(x+1)(17a-1)

Step-by-step explanation:

We are given that

17ax+17a-x-1

We have to factorize the given expression.

Pair up the terms

(17ax+17a)+(-x-1)

Now, taking common factor

17a(x+1)-1(x+1)

Taking common (x+1)

(x+1)(17a-1)

Now, we get

(x+1)(17a-1)

This is required factors of given expression.

4 0
2 years ago
A model of a​ tractor-trailer is shaped like a rectangular prism and has a width of 2 in., a length of 10 in., and a height of 4
Sedaia [141]

Answer:

36.

Step-by-step explanation:

In the scale of the model, it says 1:36, which means that one tractor-trailer is the size of 36 models.

<h2><em><u>If you need more help or explanation, follow up in the comments. :P</u></em></h2>
6 0
3 years ago
The sum of five consecutive multiples of 4 is 20.Find the smallest integer.
Aloiza [94]

Answer:

The smallest integer is -4.

Step-by-step explanation:

Let the smallest integer be x.

Since the integers are all multiples of 4, they are

=> x, x+4, x+8, x+12 and x+16

=> x + x+4 + x+8 + x+12 + x+16 = 20

=> 5x + 40 = 20

Subtract 40 from both sides of the equation

5x +40 - 40 = 20 - 40

5x = -20

Divide both sides by the coefficient of x(which is 5)

\frac{5x}{5} = \frac{-20}{5}

x = -4

∴ the smallest integer is -4.

Hope this helps!!!

6 0
2 years ago
Which comparison is true ?<br><br> 3/4 &gt; 7/8<br> 1/2 &lt; 5/8<br> 2/3 &lt; 3/8<br> 7/8 &gt; 9/10
Cloud [144]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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