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Simplifying 13v2 + -5v + 9 = 0 Reorder the terms: 9 + -5v + 13v2 = 0 Solving 9 + -5v + 13v2 = 0 Solving for variable 'v'. Begin completing the square. Divide all terms by 13 the coefficient of the squared term: Divide each side by '13'. 0.6923076923 + -0.3846153846v + v2 = 0 Move the constant term to the right: Add '-0.6923076923' to each side of the equation. 0.6923076923 + -0.3846153846v + -0.6923076923 + v2 = 0 + -0.6923076923 Reorder the terms: 0.6923076923 + -0.6923076923 + -0.3846153846v + v2 = 0 + -0.6923076923 Combine like terms: 0.6923076923 + -0.6923076923 = 0.0000000000 0.0000000000 + -0.3846153846v + v2 = 0 + -0.6923076923 -0.3846153846v + v2 = 0 + -0.6923076923 Combine like terms: 0 + -0.6923076923 = -0.6923076923 -0.3846153846v + v2 = -0.6923076923 The v term is -0.3846153846v. Take half its coefficient (-0.1923076923). Square it (0.03698224852) and add it to both sides. Add '0.03698224852' to each side of the equation. -0.3846153846v + 0.03698224852 + v2 = -0.6923076923 + 0.03698224852 Reorder the terms: 0.03698224852 + -0.3846153846v + v2 = -0.6923076923 + 0.03698224852 Combine like terms: -0.6923076923 + 0.03698224852 = -0.65532544378 0.03698224852 + -0.3846153846v + v2 = -0.65532544378 Factor a perfect square on the left side: (v + -0.1923076923)(v + -0.1923076923) = -0.65532544378 Can't calculate square root of the right side. The solution to this equation could not be determined.
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