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Dahasolnce [82]
3 years ago
12

С (2x + 19) (3х + 8) А

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
5 0

Answer:

x=9

Step-by-step explanation:

step one pull out the factors

 3x - 27  =   3 • (x - 9)

and step two: Equations which are never true

2.1      Solve :    3   =  0

This equation has no solution.

A a non-zero constant never equals zero.

so x-9=0 and add both sides to 9 and to equal 9

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Perform the indicated operation. (2x + y)(3x2 + y)
UkoKoshka [18]

Answer:

Step-by-step explanation:

(2x+y)(3x²+y)=2x(3x²+y)+y(3x²+y)=6x³+2xy+3x²y+y²=6x³+3x²y+2xy+y²

5 0
3 years ago
5+2x=2x+6<br> What's the answer?
Marina86 [1]

<u>Answer:</u>

Below!

<u>Step-by-step explanation:</u>

<u>We can solve this with the help of equations.</u>

  • 5 + 2x = 2x + 6
  • => -2x + 2x = -5 + 6
  • => 0 ≠ 1

<u>Since we are getting 0 ≠ 1 as our result, the problem has </u><u>no solution.</u>

Hoped this helped.

BrainiacUser1357

3 0
2 years ago
Convert this rational number to its decimal form and round to the nearest thousandth 5/7
Ksju [112]

The rational number, 5/7 converted to a decimal is 0.714.

<h3>What is the decimal?</h3>

A rational number is a number that can be expressed as a fraction of two integers.

A decimal is a non-integer in which the integers are separated from the non integers by a point. In order to convert the fraction to a decimal, divide the numerator by the denominator.

5/7 = 0.714

To learn more about rational numbers, please check: brainly.com/question/20435423

#SPJ1

6 0
2 years ago
Does anyone can help me to prove this too?? Thank you before ....
prohojiy [21]
\frac{1}{ cos^{2}  \alpha  } +  \frac{1}{ sin^{2}  \alpha  } =  \frac{ sin^{2}  \alpha   +  cos^{2}  \alpha   }{ sin^{2}  \alpha *  cos^{2}  \alpha  } =  \frac{1}{sin^{2}  \alpha *  cos^{2}  \alpha}
3 0
3 years ago
What is the greatest common factor of 8x and 40
Delicious77 [7]
Here Your variable is x, so exclude it as it is in one number only, then GCF of 8 & 40 is 8. So, GCF would be 8

In short, Your Answer would be 8

Hope this helps!
3 0
3 years ago
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