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Simplifying 7v2 + -7v = -7 Reorder the terms: -7v + 7v2 = -7 Solving -7v + 7v2 = -7 Solving for variable 'v'. Reorder the terms: 7 + -7v + 7v2 = -7 + 7 Combine like terms: -7 + 7 = 0 7 + -7v + 7v2 = 0 Factor out the Greatest Common Factor (GCF), '7'. 7(1 + -1v + v2) = 0 Ignore the factor 7.Subproblem 1
Set the factor '(1 + -1v + v2)' equal to zero and attempt to solve: Simplifying 1 + -1v + v2 = 0 Solving 1 + -1v + v2 = 0 Begin completing the square. Move the constant term to the right: Add '-1' to each side of the equation. 1 + -1v + -1 + v2 = 0 + -1 Reorder the terms: 1 + -1 + -1v + v2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1v + v2 = 0 + -1 -1v + v2 = 0 + -1 Combine like terms: 0 + -1 = -1 -1v + v2 = -1 The v term is -1v. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1v + 0.25 + v2 = -1 + 0.25 Reorder the terms: 0.25 + -1v + v2 = -1 + 0.25 Combine like terms: -1 + 0.25 = -0.75 0.25 + -1v + v2 = -0.75 Factor a perfect square on the left side: (v + -0.5)(v + -0.5) = -0.75 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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