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When solving x^2 - 20x = 5 by completing the square what value is added to both sides of the equation?
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You must add (b / 2)^2.
Always in a quadratic equation \(ax^2 + bx + c\), you must add \( (b \div 2)^2\) to both sides for completing the square.
okay, got it.. thank you!! :)
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