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Mathematics 25 Online
OpenStudy (anonymous):

√(x+2)²+(0-6)²=√(x-9)²+(0-3)² (x+2)-6=(x-9)-3 x-4= x-12 Why are these steps wrong and how to avoid such mistakes in the future?

OpenStudy (mrnood):

I assume th esquare root applies to the whole expression on each side sqrt (a^2+b^2) is NOT equal to sqrt (a)^2 + sqrt(b)^2

OpenStudy (anonymous):

You're right, can't believe I missed that

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