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Square root equations

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Can you show me how to solve the following equations?
Square roots confuse me.

Sq Root of X-1=3?
Sq Root of X^3=8?
and ^3sq root of x^2=4?

Is the sq root of x^2=x an identity?

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Solution Summary

This shows how to solve given square root equations.

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Sq Root of X-1=3?
we take square from both side of equation. then x-1=9 and x=10

Sq Root of X^3=8? then we we can write ...

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