0=-x^2+35x-190

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Solution for 0=-x^2+35x-190 equation:


Simplifying
0 = -1x2 + 35x + -190

Reorder the terms:
0 = -190 + 35x + -1x2

Solving
0 = -190 + 35x + -1x2

Solving for variable 'x'.

Combine like terms: 0 + 190 = 190
190 + -35x + x2 = -190 + 35x + -1x2 + 190 + -35x + x2

Reorder the terms:
190 + -35x + x2 = -190 + 190 + 35x + -35x + -1x2 + x2

Combine like terms: -190 + 190 = 0
190 + -35x + x2 = 0 + 35x + -35x + -1x2 + x2
190 + -35x + x2 = 35x + -35x + -1x2 + x2

Combine like terms: 35x + -35x = 0
190 + -35x + x2 = 0 + -1x2 + x2
190 + -35x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
190 + -35x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-190' to each side of the equation.
190 + -35x + -190 + x2 = 0 + -190

Reorder the terms:
190 + -190 + -35x + x2 = 0 + -190

Combine like terms: 190 + -190 = 0
0 + -35x + x2 = 0 + -190
-35x + x2 = 0 + -190

Combine like terms: 0 + -190 = -190
-35x + x2 = -190

The x term is -35x.  Take half its coefficient (-17.5).
Square it (306.25) and add it to both sides.

Add '306.25' to each side of the equation.
-35x + 306.25 + x2 = -190 + 306.25

Reorder the terms:
306.25 + -35x + x2 = -190 + 306.25

Combine like terms: -190 + 306.25 = 116.25
306.25 + -35x + x2 = 116.25

Factor a perfect square on the left side:
(x + -17.5)(x + -17.5) = 116.25

Calculate the square root of the right side: 10.781929326

Break this problem into two subproblems by setting 
(x + -17.5) equal to 10.781929326 and -10.781929326.

Subproblem 1

x + -17.5 = 10.781929326 Simplifying x + -17.5 = 10.781929326 Reorder the terms: -17.5 + x = 10.781929326 Solving -17.5 + x = 10.781929326 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '17.5' to each side of the equation. -17.5 + 17.5 + x = 10.781929326 + 17.5 Combine like terms: -17.5 + 17.5 = 0.0 0.0 + x = 10.781929326 + 17.5 x = 10.781929326 + 17.5 Combine like terms: 10.781929326 + 17.5 = 28.281929326 x = 28.281929326 Simplifying x = 28.281929326

Subproblem 2

x + -17.5 = -10.781929326 Simplifying x + -17.5 = -10.781929326 Reorder the terms: -17.5 + x = -10.781929326 Solving -17.5 + x = -10.781929326 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '17.5' to each side of the equation. -17.5 + 17.5 + x = -10.781929326 + 17.5 Combine like terms: -17.5 + 17.5 = 0.0 0.0 + x = -10.781929326 + 17.5 x = -10.781929326 + 17.5 Combine like terms: -10.781929326 + 17.5 = 6.718070674 x = 6.718070674 Simplifying x = 6.718070674

Solution

The solution to the problem is based on the solutions from the subproblems. x = {28.281929326, 6.718070674}

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