(x^2)-18x+35=0

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Solution for (x^2)-18x+35=0 equation:


Simplifying
(x2) + -18x + 35 = 0
x2 + -18x + 35 = 0

Reorder the terms:
35 + -18x + x2 = 0

Solving
35 + -18x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-35' to each side of the equation.
35 + -18x + -35 + x2 = 0 + -35

Reorder the terms:
35 + -35 + -18x + x2 = 0 + -35

Combine like terms: 35 + -35 = 0
0 + -18x + x2 = 0 + -35
-18x + x2 = 0 + -35

Combine like terms: 0 + -35 = -35
-18x + x2 = -35

The x term is -18x.  Take half its coefficient (-9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
-18x + 81 + x2 = -35 + 81

Reorder the terms:
81 + -18x + x2 = -35 + 81

Combine like terms: -35 + 81 = 46
81 + -18x + x2 = 46

Factor a perfect square on the left side:
(x + -9)(x + -9) = 46

Calculate the square root of the right side: 6.782329983

Break this problem into two subproblems by setting 
(x + -9) equal to 6.782329983 and -6.782329983.

Subproblem 1

x + -9 = 6.782329983 Simplifying x + -9 = 6.782329983 Reorder the terms: -9 + x = 6.782329983 Solving -9 + x = 6.782329983 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + x = 6.782329983 + 9 Combine like terms: -9 + 9 = 0 0 + x = 6.782329983 + 9 x = 6.782329983 + 9 Combine like terms: 6.782329983 + 9 = 15.782329983 x = 15.782329983 Simplifying x = 15.782329983

Subproblem 2

x + -9 = -6.782329983 Simplifying x + -9 = -6.782329983 Reorder the terms: -9 + x = -6.782329983 Solving -9 + x = -6.782329983 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + x = -6.782329983 + 9 Combine like terms: -9 + 9 = 0 0 + x = -6.782329983 + 9 x = -6.782329983 + 9 Combine like terms: -6.782329983 + 9 = 2.217670017 x = 2.217670017 Simplifying x = 2.217670017

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.782329983, 2.217670017}

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