.04v^2+.5v=67

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Solution for .04v^2+.5v=67 equation:


Simplifying
0.04v2 + 0.5v = 67

Reorder the terms:
0.5v + 0.04v2 = 67

Solving
0.5v + 0.04v2 = 67

Solving for variable 'v'.

Reorder the terms:
-67 + 0.5v + 0.04v2 = 67 + -67

Combine like terms: 67 + -67 = 0
-67 + 0.5v + 0.04v2 = 0

Begin completing the square.  Divide all terms by
0.04 the coefficient of the squared term: 

Divide each side by '0.04'.
-1675 + 12.5v + v2 = 0

Move the constant term to the right:

Add '1675' to each side of the equation.
-1675 + 12.5v + 1675 + v2 = 0 + 1675

Reorder the terms:
-1675 + 1675 + 12.5v + v2 = 0 + 1675

Combine like terms: -1675 + 1675 = 0
0 + 12.5v + v2 = 0 + 1675
12.5v + v2 = 0 + 1675

Combine like terms: 0 + 1675 = 1675
12.5v + v2 = 1675

The v term is 12.5v.  Take half its coefficient (6.25).
Square it (39.0625) and add it to both sides.

Add '39.0625' to each side of the equation.
12.5v + 39.0625 + v2 = 1675 + 39.0625

Reorder the terms:
39.0625 + 12.5v + v2 = 1675 + 39.0625

Combine like terms: 1675 + 39.0625 = 1714.0625
39.0625 + 12.5v + v2 = 1714.0625

Factor a perfect square on the left side:
(v + 6.25)(v + 6.25) = 1714.0625

Calculate the square root of the right side: 41.401237904

Break this problem into two subproblems by setting 
(v + 6.25) equal to 41.401237904 and -41.401237904.

Subproblem 1

v + 6.25 = 41.401237904 Simplifying v + 6.25 = 41.401237904 Reorder the terms: 6.25 + v = 41.401237904 Solving 6.25 + v = 41.401237904 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-6.25' to each side of the equation. 6.25 + -6.25 + v = 41.401237904 + -6.25 Combine like terms: 6.25 + -6.25 = 0.00 0.00 + v = 41.401237904 + -6.25 v = 41.401237904 + -6.25 Combine like terms: 41.401237904 + -6.25 = 35.151237904 v = 35.151237904 Simplifying v = 35.151237904

Subproblem 2

v + 6.25 = -41.401237904 Simplifying v + 6.25 = -41.401237904 Reorder the terms: 6.25 + v = -41.401237904 Solving 6.25 + v = -41.401237904 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-6.25' to each side of the equation. 6.25 + -6.25 + v = -41.401237904 + -6.25 Combine like terms: 6.25 + -6.25 = 0.00 0.00 + v = -41.401237904 + -6.25 v = -41.401237904 + -6.25 Combine like terms: -41.401237904 + -6.25 = -47.651237904 v = -47.651237904 Simplifying v = -47.651237904

Solution

The solution to the problem is based on the solutions from the subproblems. v = {35.151237904, -47.651237904}

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