x^2+25x+153=0

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Solution for x^2+25x+153=0 equation:


Simplifying
x2 + 25x + 153 = 0

Reorder the terms:
153 + 25x + x2 = 0

Solving
153 + 25x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-153' to each side of the equation.
153 + 25x + -153 + x2 = 0 + -153

Reorder the terms:
153 + -153 + 25x + x2 = 0 + -153

Combine like terms: 153 + -153 = 0
0 + 25x + x2 = 0 + -153
25x + x2 = 0 + -153

Combine like terms: 0 + -153 = -153
25x + x2 = -153

The x term is 25x.  Take half its coefficient (12.5).
Square it (156.25) and add it to both sides.

Add '156.25' to each side of the equation.
25x + 156.25 + x2 = -153 + 156.25

Reorder the terms:
156.25 + 25x + x2 = -153 + 156.25

Combine like terms: -153 + 156.25 = 3.25
156.25 + 25x + x2 = 3.25

Factor a perfect square on the left side:
(x + 12.5)(x + 12.5) = 3.25

Calculate the square root of the right side: 1.802775638

Break this problem into two subproblems by setting 
(x + 12.5) equal to 1.802775638 and -1.802775638.

Subproblem 1

x + 12.5 = 1.802775638 Simplifying x + 12.5 = 1.802775638 Reorder the terms: 12.5 + x = 1.802775638 Solving 12.5 + x = 1.802775638 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12.5' to each side of the equation. 12.5 + -12.5 + x = 1.802775638 + -12.5 Combine like terms: 12.5 + -12.5 = 0.0 0.0 + x = 1.802775638 + -12.5 x = 1.802775638 + -12.5 Combine like terms: 1.802775638 + -12.5 = -10.697224362 x = -10.697224362 Simplifying x = -10.697224362

Subproblem 2

x + 12.5 = -1.802775638 Simplifying x + 12.5 = -1.802775638 Reorder the terms: 12.5 + x = -1.802775638 Solving 12.5 + x = -1.802775638 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12.5' to each side of the equation. 12.5 + -12.5 + x = -1.802775638 + -12.5 Combine like terms: 12.5 + -12.5 = 0.0 0.0 + x = -1.802775638 + -12.5 x = -1.802775638 + -12.5 Combine like terms: -1.802775638 + -12.5 = -14.302775638 x = -14.302775638 Simplifying x = -14.302775638

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-10.697224362, -14.302775638}

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