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aliya0001 [1]
3 years ago
7

Simplify: -2(3x-1) + x(3x+2)

Mathematics
2 answers:
ioda3 years ago
5 0

Answer:

-4x+3x power of 2 +2

Step-by-step explanation:

Paul [167]3 years ago
4 0

Answer:

3x² - 4x + 2

Step-by-step explanation:

distribute -2 into (3x - 1) and distribute x into (3x + 2)

=> -6x + 2 + 3x² + 2x

combine like terms

=> 3x² - 4x + 2

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laila [671]
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6 0
3 years ago
Show that the equation x^4/2021 − 2021x^2 − x − 3 = 0 has at least two real roots.
andreev551 [17]

The roots of an equation are simply the x-intercepts of the equation.

See below for the proof that \mathbf{\frac{x^4}{2021} = 2021x^2 - x - 3 = 0} has at least two real roots

The equation is given as: \mathbf{\frac{x^4}{2021} = 2021x^2 - x - 3 = 0}

There are several ways to show that an equation has real roots, one of these ways is by using graphs.

See attachment for the graph of \mathbf{\frac{x^4}{2021} = 2021x^2 - x - 3 = 0}

Next, we count the x-intercepts of the graph (i.e. the points where the equation crosses the x-axis)

From the attached graph, we can see that \mathbf{\frac{x^4}{2021} = 2021x^2 - x - 3 = 0} crosses the x-axis at approximately <em>-2000 and 2000 </em>between the domain -2500 and 2500

This means that \mathbf{\frac{x^4}{2021} = 2021x^2 - x - 3 = 0} has at least two real roots

Read more about roots of an equation at:

brainly.com/question/12912962

6 0
3 years ago
What is the greatest common factor of 36,10,15?
I am Lyosha [343]
The greatest common factor is 1
5 0
3 years ago
What is the Y value of the vertex of 4X squared plus 8X -8
Darya [45]

Answer:

      2

16yx    + 8yx - 8y

Step-by-step explanation:

8 0
2 years ago
Jessica has some markers. She has 5 more black markers than blue markers. She has 4 times as many red markers as black markers.
abruzzese [7]
The answer is 73 because , 5+8=13 black times 4=52 red so
 
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2 years ago
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