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Simplifying 11x2 = 7x + -4 Reorder the terms: 11x2 = -4 + 7x Solving 11x2 = -4 + 7x Solving for variable 'x'. Reorder the terms: 4 + -7x + 11x2 = -4 + 7x + 4 + -7x Reorder the terms: 4 + -7x + 11x2 = -4 + 4 + 7x + -7x Combine like terms: -4 + 4 = 0 4 + -7x + 11x2 = 0 + 7x + -7x 4 + -7x + 11x2 = 7x + -7x Combine like terms: 7x + -7x = 0 4 + -7x + 11x2 = 0 Begin completing the square. Divide all terms by 11 the coefficient of the squared term: Divide each side by '11'. 0.3636363636 + -0.6363636364x + x2 = 0 Move the constant term to the right: Add '-0.3636363636' to each side of the equation. 0.3636363636 + -0.6363636364x + -0.3636363636 + x2 = 0 + -0.3636363636 Reorder the terms: 0.3636363636 + -0.3636363636 + -0.6363636364x + x2 = 0 + -0.3636363636 Combine like terms: 0.3636363636 + -0.3636363636 = 0.0000000000 0.0000000000 + -0.6363636364x + x2 = 0 + -0.3636363636 -0.6363636364x + x2 = 0 + -0.3636363636 Combine like terms: 0 + -0.3636363636 = -0.3636363636 -0.6363636364x + x2 = -0.3636363636 The x term is -0.6363636364x. Take half its coefficient (-0.3181818182). Square it (0.1012396694) and add it to both sides. Add '0.1012396694' to each side of the equation. -0.6363636364x + 0.1012396694 + x2 = -0.3636363636 + 0.1012396694 Reorder the terms: 0.1012396694 + -0.6363636364x + x2 = -0.3636363636 + 0.1012396694 Combine like terms: -0.3636363636 + 0.1012396694 = -0.2623966942 0.1012396694 + -0.6363636364x + x2 = -0.2623966942 Factor a perfect square on the left side: (x + -0.3181818182)(x + -0.3181818182) = -0.2623966942 Can't calculate square root of the right side. The solution to this equation could not be determined.
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