x^2+1x-145=0

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Solution for x^2+1x-145=0 equation:


Simplifying
x2 + 1x + -145 = 0

Reorder the terms:
-145 + 1x + x2 = 0

Solving
-145 + 1x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '145' to each side of the equation.
-145 + 1x + 145 + x2 = 0 + 145

Reorder the terms:
-145 + 145 + 1x + x2 = 0 + 145

Combine like terms: -145 + 145 = 0
0 + 1x + x2 = 0 + 145
1x + x2 = 0 + 145

Combine like terms: 0 + 145 = 145
1x + x2 = 145

The x term is 1x.  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 = 145 + 0.25

Reorder the terms:
0.25 + x + x2 = 145 + 0.25

Combine like terms: 145 + 0.25 = 145.25
0.25 + x + x2 = 145.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 145.25

Calculate the square root of the right side: 12.051970793

Break this problem into two subproblems by setting 
(x + 0.5) equal to 12.051970793 and -12.051970793.

Subproblem 1

x + 0.5 = 12.051970793 Simplifying x + 0.5 = 12.051970793 Reorder the terms: 0.5 + x = 12.051970793 Solving 0.5 + x = 12.051970793 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 = 12.051970793 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 12.051970793 + -0.5 x = 12.051970793 + -0.5 Combine like terms: 12.051970793 + -0.5 = 11.551970793 x = 11.551970793 Simplifying x = 11.551970793

Subproblem 2

x + 0.5 = -12.051970793 Simplifying x + 0.5 = -12.051970793 Reorder the terms: 0.5 + x = -12.051970793 Solving 0.5 + x = -12.051970793 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 = -12.051970793 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -12.051970793 + -0.5 x = -12.051970793 + -0.5 Combine like terms: -12.051970793 + -0.5 = -12.551970793 x = -12.551970793 Simplifying x = -12.551970793

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.551970793, -12.551970793}

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