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Simplifying 4.4x2 + -9.8x + 13.4 = 0 Reorder the terms: 13.4 + -9.8x + 4.4x2 = 0 Solving 13.4 + -9.8x + 4.4x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4.4 the coefficient of the squared term: Divide each side by '4.4'. 3.045454545 + -2.227272727x + x2 = 0 Move the constant term to the right: Add '-3.045454545' to each side of the equation. 3.045454545 + -2.227272727x + -3.045454545 + x2 = 0 + -3.045454545 Reorder the terms: 3.045454545 + -3.045454545 + -2.227272727x + x2 = 0 + -3.045454545 Combine like terms: 3.045454545 + -3.045454545 = 0.000000000 0.000000000 + -2.227272727x + x2 = 0 + -3.045454545 -2.227272727x + x2 = 0 + -3.045454545 Combine like terms: 0 + -3.045454545 = -3.045454545 -2.227272727x + x2 = -3.045454545 The x term is -2.227272727x. Take half its coefficient (-1.113636364). Square it (1.240185951) and add it to both sides. Add '1.240185951' to each side of the equation. -2.227272727x + 1.240185951 + x2 = -3.045454545 + 1.240185951 Reorder the terms: 1.240185951 + -2.227272727x + x2 = -3.045454545 + 1.240185951 Combine like terms: -3.045454545 + 1.240185951 = -1.805268594 1.240185951 + -2.227272727x + x2 = -1.805268594 Factor a perfect square on the left side: (x + -1.113636364)(x + -1.113636364) = -1.805268594 Can't calculate square root of the right side. The solution to this equation could not be determined.
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