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Simplifying (6x2 + 5x + 5) = 0 Reorder the terms: (5 + 5x + 6x2) = 0 Remove parenthesis around (5 + 5x + 6x2) 5 + 5x + 6x2 = 0 Solving 5 + 5x + 6x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. 0.8333333333 + 0.8333333333x + x2 = 0 Move the constant term to the right: Add '-0.8333333333' to each side of the equation. 0.8333333333 + 0.8333333333x + -0.8333333333 + x2 = 0 + -0.8333333333 Reorder the terms: 0.8333333333 + -0.8333333333 + 0.8333333333x + x2 = 0 + -0.8333333333 Combine like terms: 0.8333333333 + -0.8333333333 = 0.0000000000 0.0000000000 + 0.8333333333x + x2 = 0 + -0.8333333333 0.8333333333x + x2 = 0 + -0.8333333333 Combine like terms: 0 + -0.8333333333 = -0.8333333333 0.8333333333x + x2 = -0.8333333333 The x term is 0.8333333333x. Take half its coefficient (0.4166666667). Square it (0.1736111111) and add it to both sides. Add '0.1736111111' to each side of the equation. 0.8333333333x + 0.1736111111 + x2 = -0.8333333333 + 0.1736111111 Reorder the terms: 0.1736111111 + 0.8333333333x + x2 = -0.8333333333 + 0.1736111111 Combine like terms: -0.8333333333 + 0.1736111111 = -0.6597222222 0.1736111111 + 0.8333333333x + x2 = -0.6597222222 Factor a perfect square on the left side: (x + 0.4166666667)(x + 0.4166666667) = -0.6597222222 Can't calculate square root of the right side. The solution to this equation could not be determined.
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