SOLUTION: Why is it especially important to check the possiable soutions to a rational equation?
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Question 123107This question is from textbook
: Why is it especially important to check the possiable soutions to a rational equation?
This question is from textbook
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Notice that, a rational equation has the and all the
difficulties come from them. Whichever method you use to solve a rational
equation, at some point you're going to get rid of the denominators.
Remember that, with rational equations, you
the back in the original equation because you can
end up with an . If you find an invalid solution
(even you didn't do anything wrong), it might causes division by zero, then
the equation really has .
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