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{{ printedBook.courseTrack.name }} {{ printedBook.name }} When rewriting equations it's important to make the **the same operation on both sides** to ensure that the equality still holds. So, if one side is raised to a power, the same operation must be performed on the other side. In the equation $x =8,$ both sides can be raised to the power of $2$. $(x )_{2}=8_{2}$
However, be aware of creating extraneous when solving radical equations this way.