A Golden Radical Equation

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Mathematics is my third favourite subject after Computer Science and Physics.
I can't leave it because I wanna be an expert programmer.

HATTRICK
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Another way is at the second step take underroot x to be t, you get quadratic, solve it, place the value of t. Boom same answer

Quartzite
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You could solve it in fewer steps
At the stage where x and √x are on one side, you can just do u-sub where u = √x => x = u², where u ≥ 0
And solve u² - 3u + 1 = 0 or what was that equation I can't see and get root

jandely
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This is the sum that can be solved easily by a 8th or 9th grade South Indian student. Many schools in south India train students at higher level especially in maths, physics and chemistry.

sumithadavid
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Mathematics is love, I'm going to stop with medicine and do bachelor's in mathematical research

Quartzite
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How did you find that the first solution does not satisfy the original problem? Is there any way we can prevent the production of this non-valid solution, in the first place?

ioannismichalopoulos
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How did you identify the correct solution for x

jkljnpo
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How do you know that the first solution for x doesn’t work?

ryippsx
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This is around your 20th video that has "Golden" in its description.

Golden must be a popular SEO(Search Engine Optimization) term.

I wish you would learn more mathematics and do videos on a much more expansive list of problem types.

Your approach, which has been amazingly successful, is to work, I estimate, 7 problem types over and over ad nauseum.

I must be your charming voice and excellent presentation platform :)

MyOneFiftiethOfADollar
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Я сделала замену: X^1/2=m, m>0 Ответ такой же, как у автора.

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