$\"\"$

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The equation is $\"\"$ .

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Solve the above equation by factoring method.

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$\"\"$

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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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Set 3 rd factor equal to zero.

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$\"\"$ . $\"\"$

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Check:

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

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$\"\"$

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

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$\"\"$

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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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The solutions are 0, $\"\"$ and $\"\"$ .