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Simplifying 12x2 + 10x + 25 = 0 Reorder the terms: 25 + 10x + 12x2 = 0 Solving 25 + 10x + 12x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. 2.083333333 + 0.8333333333x + x2 = 0 Move the constant term to the right: Add '-2.083333333' to each side of the equation. 2.083333333 + 0.8333333333x + -2.083333333 + x2 = 0 + -2.083333333 Reorder the terms: 2.083333333 + -2.083333333 + 0.8333333333x + x2 = 0 + -2.083333333 Combine like terms: 2.083333333 + -2.083333333 = 0.000000000 0.000000000 + 0.8333333333x + x2 = 0 + -2.083333333 0.8333333333x + x2 = 0 + -2.083333333 Combine like terms: 0 + -2.083333333 = -2.083333333 0.8333333333x + x2 = -2.083333333 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 = -2.083333333 + 0.1736111111 Reorder the terms: 0.1736111111 + 0.8333333333x + x2 = -2.083333333 + 0.1736111111 Combine like terms: -2.083333333 + 0.1736111111 = -1.9097222219 0.1736111111 + 0.8333333333x + x2 = -1.9097222219 Factor a perfect square on the left side: (x + 0.4166666667)(x + 0.4166666667) = -1.9097222219 Can't calculate square root of the right side. The solution to this equation could not be determined.
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