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Simplifying 13x2 + -10x + 4 = 0 Reorder the terms: 4 + -10x + 13x2 = 0 Solving 4 + -10x + 13x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 13 the coefficient of the squared term: Divide each side by '13'. 0.3076923077 + -0.7692307692x + x2 = 0 Move the constant term to the right: Add '-0.3076923077' to each side of the equation. 0.3076923077 + -0.7692307692x + -0.3076923077 + x2 = 0 + -0.3076923077 Reorder the terms: 0.3076923077 + -0.3076923077 + -0.7692307692x + x2 = 0 + -0.3076923077 Combine like terms: 0.3076923077 + -0.3076923077 = 0.0000000000 0.0000000000 + -0.7692307692x + x2 = 0 + -0.3076923077 -0.7692307692x + x2 = 0 + -0.3076923077 Combine like terms: 0 + -0.3076923077 = -0.3076923077 -0.7692307692x + x2 = -0.3076923077 The x term is -0.7692307692x. Take half its coefficient (-0.3846153846). Square it (0.1479289941) and add it to both sides. Add '0.1479289941' to each side of the equation. -0.7692307692x + 0.1479289941 + x2 = -0.3076923077 + 0.1479289941 Reorder the terms: 0.1479289941 + -0.7692307692x + x2 = -0.3076923077 + 0.1479289941 Combine like terms: -0.3076923077 + 0.1479289941 = -0.1597633136 0.1479289941 + -0.7692307692x + x2 = -0.1597633136 Factor a perfect square on the left side: (x + -0.3846153846)(x + -0.3846153846) = -0.1597633136 Can't calculate square root of the right side. The solution to this equation could not be determined.
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