Question

What does “extraneous solution” mean? What must we do to determine whether a solution is an extraneous solution?

Answer 1

When you change an equation from one form to another and get an extra solution that does not satisfy the original equation, that solution is called an extraneous solution

Answer 2

thanks.

Answer 3

http://www.mathwords.com/e/extraneous_solution.htm

Answer 4

that explains it better

Answer 5

yeah, its a solution that is a byproduct of solving that has use in the equation

Answer 6

kinda like a nubbin

Answer 7

yes

Answer 8

"kinda like a nubbin" is what made sense to me @amistre64