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yawa3891 [41]
4 years ago
8

What is the first step in solving x^2+2x+3=0

Mathematics
2 answers:
Westkost [7]4 years ago
7 0
First subtract three from both sides. then you have x^{2} +2x=-3 and you solve from there
Neporo4naja [7]4 years ago
6 0
Is the question asking by completing the square? 
X^2+2X+3=0
X^2+2x+1+2=0
(x+1)^2+2=0
(x+1)^2=-2
x+1=squr root 2i or x+1=-sqr root 2i
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M=(3x)/(pi r^(2)h)<br><br> solve for "r"
wel

The solution for r in the given equation is r = √[(3x)/(pi h)(m)]

<h3>How to determine the solution of r in the equation?</h3>

The equation is given as:

m = (3x)/(pi r^(2)h)

Multiply both sides of the equation by (pi r^2h)

So, we have:

(pi r^(2)h) * m = (3x)/(pi r^(2)h) * (pi r^(2)h)

Evaluate the product in the above equation

So, we have:

(pi r^(2)h) * m = (3x)

Divide both sides of the equation by (pi h)(m)

So, we have:

(pi r^(2)h) * m/(pi h)(m) = (3x)/(pi h)(m)

Evaluate the quotient in the above equation

So, we have:

r^(2) = (3x)/(pi h)(m)

Take the square root of both sides in the above equation

So, we have:

√r^(2) = √[(3x)/(pi h)(m)]

Evaluate the square root of both sides in the above equation

So, we have:

r = √[(3x)/(pi h)(m)]

Hence, the solution for r in the given equation is r = √[(3x)/(pi h)(m)]

Read more about equations at

brainly.com/question/2972832

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1 year ago
Twelve times the number of muffin pans
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How many solutions does this system have? x-2y=2 y=-2x 5
Salsk061 [2.6K]
I am sure it's One Solution

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3 years ago
Isolate the variable x to solve the inequality. x +5&gt;10
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Answer:

\boxed{\ x>5 \ }

Step-by-step explanation:

x+5 > 10

<=>

x+5-5 > 10-5

<=>

x > 5

hope this helps

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