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Question
x^{2}-11=25
Solve the quadratic equation
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Solve using square roots
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Solve by factoring
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Solve using the quadratic formula
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Solve using the PQ formula
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x_{1}=-6,x_{2}=6
Evaluate
x^{2}-11=25
Add or subtract both sides
x^{2}=36
Take the root of both sides of the equation and remember to use both positive and negative roots
x=\pm \sqrt{36}
Simplify the expression
x=\pm 6
\text{Separate the equation into }2\text{ possible cases}
\begin{align}&x=6\\&x=-6\end{align}
Solution
x_{1}=-6,x_{2}=6
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