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Section 8.5 Notes. CPM. Solving an equation, such as requires a new property…………. Power Property of Equality: If a=b, then a n =b n . But the new equation may have extraneous solutions. You have to get the square root by itself before you can square it. NO SOLUTION.

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Solving an equation, such as requires a new property…………

Power Property of Equality: If a=b, then an=bn. But the new equation may have extraneous solutions


You have to get the square root by itself before you can square it.

NO SOLUTION

A square root can never equal a negative #



Now we have to factor and use the zero product property square it.

X=7 is the only solution. X=1 was extraneous.


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