Concept explainers
To calculate: The value of x for the equation
The resultant answer is
Given information:
The equation is
Formula used:
Raise each side of the equation to the same power.
Calculation:
Write the original equation:
Square each side of the equation,
Write the equation in standard form and factor the equation,
Now apply zero-product property,
Now check
Now substitute 25 for x and simplify,
Now substitute -9 for x and simplify,
Therefore, the only solution is 25 and the apparent solution -9 is extraneous.
Chapter 3 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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