$\"\"$

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The equation is $\"\"$ .

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$\"\"$ (Multiply each side by 10)

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$\"\"$

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$\"\"$ (Subtract 20v from each side)

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The perfect square of the given trinomial $\"\"$ .

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$\"\"$ $\"\"$ (Take the square root of each side)

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Apply square roots property: If $\"\"$ then $\"\"$ .

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$\"\"$

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$\"\"$

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Apply addition property of equality: If a = b then $\"\"$ .

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$\"\"$ (Add 5 to each side)

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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$\"\"$ (Divide each side by 2)

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$\"\"$ (Simplify)

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$\"\"$

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$\"\"$

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The solution is $\"\"$ .