1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
natita [175]
3 years ago
5

Factor completely: x³ - 9x

Mathematics
2 answers:
klasskru [66]3 years ago
5 0

Answer:

x(x + 3)(x - 3)

Step-by-step explanation:

What we're given is a difference of squares multiplied by x.  If we start by factoring x out, we can simply expand the binomial:

x³ - 9x

= x(x² - 9)

= x(x + 3)(x - 3)

Any time you see an expression in the format a² - b², that is called a difference of squares, and can always be expanded out to (a + b)(a - b).  In this case, a is x, and b is 3.

scoray [572]3 years ago
3 0

Answer:

x(x+3)(x-3)

Step-by-step explanation:

Factor out common term x

=x(x^2-9)

Factor x^2-9;

(x+3)(x-3)

=x(x+3)(x-3)

You might be interested in
the tax on a property with an assessed value of $64,000 is $650. Using a proportion, find the tax on a property with an assessed
AVprozaik [17]
The answer is $1200.
5 0
3 years ago
WILL GIVE BRAINLIEST!!!!!!
Dahasolnce [82]
<h2>Greetings!</h2>

Answer:

x = 67.5

Step-by-step explanation:

Because AB and NP lines are parrallel, we can find out the scale factor by dividing size MA by MN.

This works because you find out what the MA size has to be multiplied to to get to MN, which will also work in reverse to find angle MB from MP.

71.5 - 22 = MA = 49.5

71.5 ÷ 49.5 = \frac{13}{9}

So to get to line MP length, line MB had to be multiplied by \frac{13}{9} to get 97.5

The reverse of this is dividing 97.5 by \frac{13}{9}:

97.5 ÷ \frac{9}{13} = 67.5

So x = 67.5


<h2>Hope this helps!</h2>
4 0
3 years ago
It took Kathy 8 minutes to run a mile. It took her 48 minutes to run 5 miles. How many times as long did it take Kathy to run th
kotykmax [81]
Divide 48 by 8. Therefore 6 times.
4 0
3 years ago
A school sells T-shirts to promote school spirit. The school's profit is given by the function P(x) = 8x - 150, where * is the n
Andreyy89

Answer:

Step-by-step explanation:

7 0
3 years ago
Ben, Bob and Bill are triplets. They were born 5 years before their sister, Stephanie. This year the product of their four ages
maria [59]

Let the triplets' age be x, the sister's age is then x-5. 
product of their age as given 
xÂł.(x-5)=75749+x+x+x+x-5
 x^4 - 5xÂł= 4x +75744
 x^4 - 5xÂł -4x -75744=0
 resolving the equation,
 we get 
 x = 18 
 therefore, Age of ben,bob and bill is 18
 so , age of stephanie is x-5 = 18-5 = 13
 stephanie is 13 years old.

3 0
3 years ago
Other questions:
  • A rectangle is a _____.<br><br> a. quadrilateral<br> b. square<br> c. parallelogram<br> d. rhombus
    14·1 answer
  • How can you tell when a pattern shows counting by tens ?
    5·2 answers
  • How do you find the cot θ if csc θ = square root of five divided by two and tan θ &gt; 0.
    9·1 answer
  • The length, in words, of the essays written for a contest are normally distributed with a population standard deviation of 442 w
    14·1 answer
  • 1/2(b-3)=5/2 solve equation plzzz
    6·1 answer
  • A clothing store advertised a sale of forty percent off all merchandise. How is forty percent written in standard form?
    6·1 answer
  • are yall just using this thing to cheat on your tests LOL i swear im seeing so many people asking questions that look like theyr
    15·1 answer
  • In a survey, 26 voters were asked their ages. The results are shown below. Given a lower class limit of 20 and a class width of
    5·1 answer
  • State 4 solutions for the equation that is modeled by the graph.
    14·1 answer
  • Which shows the image of quadrilateral ABCD after the transformation Ro, 90°?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!