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Subtracting 5 from a number and then squaring the result gives the result 16. how to solve . please help​
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Subtracting 5 from a number and then squaring the result gives the result 16. how to solve . please help​

User Minhaj Javed
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(x-5)^2=16\\x-5=4 \vee x-5=-4\\x=9 \vee x=1

User Oldrich Svec
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