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/v/extraneous-solutions-of-radical-equations

Sal gives an example of how an extraneous solution arises when solving 2x-1=√ (8-x).

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

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 ...

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.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 ...

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/Exponential-and-logarithmic-functions/Exponential-and-logarithmic-functions.faq.question.79742.html

The best way to understand what extraneous roots are is to go through a problem where you get one. The following is a solution to a problem that I did ...