x^2+24x+45=0

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Solution for x^2+24x+45=0 equation:


Simplifying
x2 + 24x + 45 = 0

Reorder the terms:
45 + 24x + x2 = 0

Solving
45 + 24x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-45' to each side of the equation.
45 + 24x + -45 + x2 = 0 + -45

Reorder the terms:
45 + -45 + 24x + x2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + 24x + x2 = 0 + -45
24x + x2 = 0 + -45

Combine like terms: 0 + -45 = -45
24x + x2 = -45

The x term is 24x.  Take half its coefficient (12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
24x + 144 + x2 = -45 + 144

Reorder the terms:
144 + 24x + x2 = -45 + 144

Combine like terms: -45 + 144 = 99
144 + 24x + x2 = 99

Factor a perfect square on the left side:
(x + 12)(x + 12) = 99

Calculate the square root of the right side: 9.949874371

Break this problem into two subproblems by setting 
(x + 12) equal to 9.949874371 and -9.949874371.

Subproblem 1

x + 12 = 9.949874371 Simplifying x + 12 = 9.949874371 Reorder the terms: 12 + x = 9.949874371 Solving 12 + x = 9.949874371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = 9.949874371 + -12 Combine like terms: 12 + -12 = 0 0 + x = 9.949874371 + -12 x = 9.949874371 + -12 Combine like terms: 9.949874371 + -12 = -2.050125629 x = -2.050125629 Simplifying x = -2.050125629

Subproblem 2

x + 12 = -9.949874371 Simplifying x + 12 = -9.949874371 Reorder the terms: 12 + x = -9.949874371 Solving 12 + x = -9.949874371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = -9.949874371 + -12 Combine like terms: 12 + -12 = 0 0 + x = -9.949874371 + -12 x = -9.949874371 + -12 Combine like terms: -9.949874371 + -12 = -21.949874371 x = -21.949874371 Simplifying x = -21.949874371

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.050125629, -21.949874371}

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