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Butoxors [25]
4 years ago
14

Solve equation by factoring. X3 - 49x = 0

Mathematics
2 answers:
Sindrei [870]4 years ago
8 0

Answer:

x = - 7, x = 0, x = 7

Step-by-step explanation:

Given

x³ - 49x = 0 ← factor out x from each term

x(x² - 49) = 0 ← x² - 49 is a difference of squares, thus

x(x - 7)(x + 7) = 0

Equate each factor to zero and solve for x

x = 0

x - 7 = 0 ⇒ x = 7

x + 7 = 0 ⇒ x = - 7

Drupady [299]4 years ago
5 0

Answer: x=7 or x=-7

x(x+7)(x-7)=0

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Which property of addiction does 8+0=8 illustrate
Rus_ich [418]

Answer:

The statement represents the IDENTITY PROPERTY OF ADDITION.

Step-by-step explanation:

Here, the given expression is  8 + 0 = 8

IDENTITY ELEMENT :  Identity element is a special type of element in a given  set of system, such that any number remains UNALTERED if operated with the identity element.

⇒  a + X  = X  for, a   ≡  IDENTITY ELEMENT

Now,  8  +   0  =   8

Comparing it with the above equation , we get

0 ≡ IDENTITY ELEMENT in the given Binary operation of Addition.

Hence,  the statement represent the IDENTITY PROPERTY OF ADDITION.

4 0
3 years ago
EASY QUESTIONS FOR EASY POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!
Sauron [17]
12
30
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AND THE LAST ONE IS 2 LOL
and thank you for the points :))))) i appreciate it :’)
4 0
3 years ago
Pls help solve<br> find t
IgorC [24]

Answer:

-t = -8 ×5

-t = -40

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good luck have a nice day

7 0
3 years ago
Figure out the costs of buying the two cars listed below by filling in the blanks in the table
a_sh-v [17]

Make/Model: 
Ford E-Series Wagon Van

<span>MSRP: </span>
$28,760

<span>Cost of options: </span>
$5,560

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$2230.80 (this is based on 6.5% interest)

<span>Total cost: </span>
$36550.80

<span>10% down payment: </span>
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<span>Amount needed to borrow: </span>
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<span>Monthly payment: </span>
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<span>Total interest paid: </span>
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6 0
3 years ago
Help me please it hardddd
iogann1982 [59]

There are a total 40 cars

and there is x yellow cars

and there are nine times as much white cars (9x white cars) lol

so x+9x=40

simplify 10x=40

divide both sides by ten 10x/10=40/10

x=4

we are looking for the number of WHITE cars sooo we multiply by 9-

9x=36

how is this "hardddd" no offence*

sorry im a mean person


3 0
3 years ago
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