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OpenStudy (anonymous):
How do I simplify √(x-20)^2 + 5 √=square root and the 2 is outside of the square root
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OpenStudy (anonymous):
√(x-20)^2=√(x-20)*√(x-20)
OpenStudy (anonymous):
\[[\sqrt{x-20}]^2+5=x-20+5=x-15\]
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