\"\"

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The equation is \"\".

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\"\"  (Subtract 2 from each side)

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\"\"        (Apply Additive inverse property: \"\")

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\"\"             (Apply Additive identity property: \"\")

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\"\"                   (Subtract: \"\")

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\"\"

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\"\"              (Divide each side by 10)

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\"\"                     (Cancel common terms)

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\"\"                      (Divide: \"\")\"\"

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\"\"            (Take square root to each side)

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\"\"           (Use calculator to approximate square root)

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\"\"               (Rounded to nearest hundredth)

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\"\"                    (Cancel squares and roots)

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\"\"

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The value of z is \"\".