$\"\"$

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The equation is $\"\"$ .

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Solve the above equation by the factoring method.

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$\"\"$

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Factor by grouping.

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$\"\"$

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$\"\"$

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Set 1 st factor equal to zero.

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$\"\"$ .

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Set 2 nd factor equal to zero.

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$\"\"$

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$\"\"$

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Apply formula : $\"\"$ .

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$\"\"$

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Set 1 st factor equal to zero.

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$\"\"$ .

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Set 2 nd factor equal to zero.

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$\"\"$

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Subtract 3 from each side. $\"\"$

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$\"\"$

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$\"\"$

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Apply formula : $\"\"$ .

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$\"\"$

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$\"\"$

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Extract the square roots.

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$\"\"$

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$\"\"$ .

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Thus, the solutions are $\"\"$ and $\"\"$ .

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$\"\"$

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Check:

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Substitute the value of $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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The above statement is true.

\

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Substitute the value of $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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The above statement is true.

\

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Substitute the value of $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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The above statement is true.

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$\"\"$

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The solutions are $\"\"$ and $\"\"$ .