EQUATIONS CONTAINING VARIABLES UNDER ONE OR MORE RADICALS
Isolate the radical term.
Check your answer by substituting 25 in the original equation. If the left side of the original equation equals the right side of the original equation after the substitution, the answer 25
You can also check the answer by graphing the equation:
The graph represents the right side of the original equation minus the left side of the original equation.. Note that the x-intercept on the graph is located at 25, this confirms that 25 is our solution.
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