In this lesson, we will learn how to solve equations that include radical expressions, where the variable is the radicand, by raising each side to a power.
Q1:
The natural way to solve √𝑥+9−2𝑥=3 introduces an extraneous solution. What is that extraneous solution?
Q2:
Solve √𝑥−5=−1.
Q3:
Solve √𝑥+4+2=7.
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