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en.wikipedia.org/wiki/Extraneous_and_missing_solutions

In mathematics, an extraneous solution (or spurious solution) is a solution, such as that to an equation, that emerges from the process of solving the problem but ...

www.khanacademy.org/math/algebra-home/alg-rational-expr-eq-func/alg-solving-rational-equations/v/extraneous-solutions-to-rational-equations

Sal solves the following equation and eliminates the resulting extraneous solution: (x^2)/(x+2)=4/(x+2). Created by Sal Khan, Monterey Institute for Technology ...

www.khanacademy.org/math/algebra2/radical-equations-and-functions/analyzing-extraneous-solutions-of-square-root-equations/a/analyzing-extraneous-solutions-of-square-root-equations

In this article we will practice some problems that involve thinking about the conditions for obtaining extraneous solutions while solving radical equations.

www.mathwords.com/e/extraneous_solution.htm

A solution of a simplified version of an equation that does not satisfy the original equation. Watch out for extraneous solutions when solving equations with a ...

www.varsitytutors.com/hotmath/hotmath_help/topics/extraneous-solutions

An extraneous solution is a root of a transformed equation that is not a root of the original equation because it was excluded from the domain of the original ...

www.icoachmath.com/math_dictionary/extraneous_solution.html

Extraneous Solution is a solution of the simplified form....Complete information about the extraneous solution, definition of an extraneous solution, examples of ...

mathcentral.uregina.ca/qq/database/qq.09.02/paul2.html

What is an extraneous solution and in what cases do you get one? How do you know it is extraneous? I have a teacher asking this for College Algebra. Paul.

www.algebra.com/algebra/homework/Exponential-and-logarithmic-functions/Exponential-and-logarithmic-functions.faq.question.79742.html

You can put this solution on YOUR website! The best way to understand what extraneous roots are is to go through a problem where you get one. The following  ...

mathonweb.com/help_ebook/html/equations_3.htm

Extraneous solutions. Suppose that x is the variable to be solved for in some equation. If we increase the degree of x in the equation (for example, by multiplying ...