irrational equation | Mathematics | Page 1

distant topaz Dec 13, 2022, 4:43 PM

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First one, cube both sides

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Second one,
Isolate radical by itself then square both side

cyan arrow Dec 13, 2022, 5:41 PM

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I didnt understand how to solve the second one could u explain pls

distant topaz Dec 13, 2022, 5:45 PM

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Move the sqrt(~~~) term to the right side

Now square both sides to remove the sqrt

Move everything to one side

Find zeros

Check each zero to the original equation to make sure it works

sullen merlin Dec 13, 2022, 8:00 PM

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X is 3 right?

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Im first

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No idea and 2nd

distant topaz Dec 13, 2022, 9:04 PM

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Yes but there is another solution

#irrational equation