The given equations are \"\"

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The above two equations are equal \"\"

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\"\"

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Subtract \"\" from each side

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\"\"

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\"\"

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\"\"

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Apply distributive property : \"\"

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\"\"

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\"\"

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Apply zero product property

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\"\"

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\"\"

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Find the area:

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\"\"

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\"\"

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\"\"

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\"\"

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Apply integrating

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\"\"

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\"\"

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\"\"

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\"\"

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\"\"

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\"\"

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\"\"

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\"\"