$\"\"$

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The function is $\"\"$ .

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To find the x - intercept substitute $\"\"$ in the original function $\"\"$ .

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$\"\"$

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There are two factors $\"\"$ that have a sum of 12 and product of 32.

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Write the pattern form.

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$\"\"$ .

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There are equation formed with product two different factors. So, the graph of function intersect the x - axis at two times.The equation has two solutions. $\"\"$

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The equation is $\"\"$ .

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Apply zero product property: $\"\"$ .

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$\"\"$

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Solve the first equation, $\"\"$ .

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Subtract 4 from each side.

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$\"\"$

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$\"\"$

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Solve the second equation, $\"\"$ .

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Subtract 6 from each side.

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$\"\"$

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$\"\"$

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The value of $\"\"$ . $\"\"$

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The solutions are $\"\"$ .