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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).

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

Practice some problems that involve thinking about the conditions for obtaining extraneous solutions while solving radical equations.

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

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 ...

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.algebra.com/algebra/homework/coordinate/Linear-systems.faq.question.372828.html

Extraneous solutions occur because we perform extraneous operations. ... BUT we know that x = 4 is not in the domain of the equation, hence cannot be a ...

learnzillion.com/lesson_plans/6701-finding-extraneous-solutions-in-rational-algebraic-equations

In this lesson you will learn to identify extraneous solutions in rational equations by checking solutions.

www.algebra.com/algebra/homework/equations/Equations.faq.question.184295.html

Extraneous solutions of an equation are EXTRA solutions that work in subsequent equations that are obtained in trying to solve an equation, but that do NOT ...

www.quora.com/Why-do-solutions-that-are-extraneous-to-equations-occur

Apart from the case in this example, where the sum of numerators in ... Extraneous" solutions occur because when we analyze problems, simplify ...