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Fed [463]
3 years ago
10

I neeeeeeeeeeeeeeed iiiiiiiiiiiiitttttt

Mathematics
1 answer:
jeka943 years ago
5 0
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5x 2 +1=−13x−5 the two is an exponent for the 5x.
tester [92]

Answer:

x = - 2, x = - \frac{3}{5}

Step-by-step explanation:

Given

5x² + 1 = - 13x - 5 ( add 13x - 5 to both sides )

5x² + 13x + 6 = 0

Consider the factors of the product of the x² term and the constant term which sum to give the coefficient of the x- term

product = 5 × 6 = 30 and sum = 13

The factors are 10 and 3

Use these factors to split the x- term

5x² + 10x + 3x + 6 = 0 ( factor the first/second and third/fourth terms )

5x(x + 2) + 3(x + 2) = 0 ← factor out (x + 2) from each term

(x + 2)(5x + 3) = 0

Equate each factor to zero and solve for x

x + 2 = 0 ⇒ x = - 2

5x + 3 = 0 ⇒ 5x = - 3 ⇒ x = - \frac{3}{5}

3 0
3 years ago
Read 2 more answers
Double somme help please
Lady_Fox [76]

Answer:

looks like a nazi symbol

Step-by-step explanation:

7 0
2 years ago
In approximately two to three sentences, explain how you would convert<br> 14/ 25<br> to a percent
Darina [25.2K]
Divide 14 by 25. Then you should get a decimal number. take the decimal number and multiply by 100 and done!
7 0
3 years ago
a loan of $10,000 was granted for 9 year at 8 percent simple interest .what is the amount of simple interest owed
LUCKY_DIMON [66]

Answer:

7200

Step-by-step explanation:

principle=10000

time=9

rate=8%

now

simple interesr=p*t*r/100

= 10000*9*8/100

=7200

8 0
2 years ago
Pla help asap giving 15 points serious people only​
alekssr [168]

Answer:

3b+17

Step-by-step explanation:

First you distribute

=(3)(b) + (3)(4) + 5

=3b + 12 + 5

Then you combine the like terms:

=3b + 12 + 5

=(3b) + (12 + 5)

=3b + 17

3 0
2 years ago
Read 2 more answers
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