x^2+x-3135=0

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Solution for x^2+x-3135=0 equation:


Simplifying
x2 + x + -3135 = 0

Reorder the terms:
-3135 + x + x2 = 0

Solving
-3135 + x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3135' to each side of the equation.
-3135 + x + 3135 + x2 = 0 + 3135

Reorder the terms:
-3135 + 3135 + x + x2 = 0 + 3135

Combine like terms: -3135 + 3135 = 0
0 + x + x2 = 0 + 3135
x + x2 = 0 + 3135

Combine like terms: 0 + 3135 = 3135
x + x2 = 3135

The x term is x.  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.
x + 0.25 + x2 = 3135 + 0.25

Reorder the terms:
0.25 + x + x2 = 3135 + 0.25

Combine like terms: 3135 + 0.25 = 3135.25
0.25 + x + x2 = 3135.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 3135.25

Calculate the square root of the right side: 55.993303171

Break this problem into two subproblems by setting 
(x + 0.5) equal to 55.993303171 and -55.993303171.

Subproblem 1

x + 0.5 = 55.993303171 Simplifying x + 0.5 = 55.993303171 Reorder the terms: 0.5 + x = 55.993303171 Solving 0.5 + x = 55.993303171 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 55.993303171 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 55.993303171 + -0.5 x = 55.993303171 + -0.5 Combine like terms: 55.993303171 + -0.5 = 55.493303171 x = 55.493303171 Simplifying x = 55.493303171

Subproblem 2

x + 0.5 = -55.993303171 Simplifying x + 0.5 = -55.993303171 Reorder the terms: 0.5 + x = -55.993303171 Solving 0.5 + x = -55.993303171 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -55.993303171 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -55.993303171 + -0.5 x = -55.993303171 + -0.5 Combine like terms: -55.993303171 + -0.5 = -56.493303171 x = -56.493303171 Simplifying x = -56.493303171

Solution

The solution to the problem is based on the solutions from the subproblems. x = {55.493303171, -56.493303171}

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