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3 years ago

What is the value of x?

Mathematics

2 answers:

Ainat [17]3 years ago

7 0

Answer:

depends on the equasion!

Step-by-step explanation:

Natali5045456 [20]3 years ago

4 0

Answer:

depends on what equation you have

Step-by-step explanation:

EX. If the equation was

x(3)=15 x would be 5 because 5 times 3 equals 15.

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Answer:

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2 years ago

Solve for x<br> 4(x + 1) = –28

lora16 [44]

Answer:

X=-8

Step-by-step explanation:

4x+4=-32

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3 years ago

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3 years ago

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Partial fraction decomposition<br> 20x+9/25x^2+20x+4

ozzi

Step-by-step explanation:

We have

$\frac{20x + 9}{25 {x}^{2} + 20x + 4 }$

Let's factor the denomiator first,

the denomaitor is a perfect square so we get

$\frac{20x + 9}{(5x + 2) {}^{2} }$

Now, we must think of two fractions that

$\frac{a}{(5x + 2) {}^{2} } + \frac{b}{5x + 2}$

We use a perfect square term for one fraction, then a linear one for the next, because if we set both of the denomiator to the same factor, we would get a inconsistent system.

So right now, we have

$\frac{a}{(5x + 2) { }^{2} } + \frac{b}{5x + 2} = \frac{20x +9 }{25 {x}^{2} + 20x + 4 }$

$a + (5x + 2)b = 20x + 9$

$5b (x)= 20$

$a + 2b = 9$

$b = 4$

so that means that a is

$a + (2)(4) = 9$

$a + 8 = 9$

$a = 1$

So our equation is

$\frac{1}{(5x + 2) {}^{2} } + \frac{4}{5x + 2}$

6 0

3 years ago

How to fill out the squares

bixtya [17]

Just compare it as a regular graph.:)

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4 years ago

Read 2 more answers