The equation is
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Take out common factor.
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Apply zero product property: If ab = 0 then a = 0 and b = 0.
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Rewrite the expression in long terms.
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Take out group to greatest common factor (GCF).
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Combine like terms using distributive property:
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Add 3 to each side.
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Subtract 7 from each side.
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The equation has three real roots,
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The solution is three real roots,
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