Mathematics, 12.07.2019 23:30, jerrygentry3411

Kelly is solving x^2 - 4x = 7 by completing the square. what number will kelly add to both sides of the equation? x^2 - 4x + = 7 +

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Kelly is solving x^2 - 4x = 7 by completing the square. what number will kelly add to both sides of...