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Given the equation Square root of x minus 5 + 7 = 11 Solve for x and identify if it is an extraneous solution.

Ross Pratt

in Mathematics

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Ralph Lopez on August 19, 2018

Sqrt(x) - 5+7 =11combine like terms-5 +7 = 2sqrt(x) + 2 = 11 subtract 2 from each sidesqrt(x) = 9square both sidesx = 9^2x = 81an extraneous solution would be an invalid solutionin this case is not an extraneous solution


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