x^2+24x-74=0

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Solution for x^2+24x-74=0 equation:


Simplifying
x2 + 24x + -74 = 0

Reorder the terms:
-74 + 24x + x2 = 0

Solving
-74 + 24x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '74' to each side of the equation.
-74 + 24x + 74 + x2 = 0 + 74

Reorder the terms:
-74 + 74 + 24x + x2 = 0 + 74

Combine like terms: -74 + 74 = 0
0 + 24x + x2 = 0 + 74
24x + x2 = 0 + 74

Combine like terms: 0 + 74 = 74
24x + x2 = 74

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 = 74 + 144

Reorder the terms:
144 + 24x + x2 = 74 + 144

Combine like terms: 74 + 144 = 218
144 + 24x + x2 = 218

Factor a perfect square on the left side:
(x + 12)(x + 12) = 218

Calculate the square root of the right side: 14.76482306

Break this problem into two subproblems by setting 
(x + 12) equal to 14.76482306 and -14.76482306.

Subproblem 1

x + 12 = 14.76482306 Simplifying x + 12 = 14.76482306 Reorder the terms: 12 + x = 14.76482306 Solving 12 + x = 14.76482306 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 = 14.76482306 + -12 Combine like terms: 12 + -12 = 0 0 + x = 14.76482306 + -12 x = 14.76482306 + -12 Combine like terms: 14.76482306 + -12 = 2.76482306 x = 2.76482306 Simplifying x = 2.76482306

Subproblem 2

x + 12 = -14.76482306 Simplifying x + 12 = -14.76482306 Reorder the terms: 12 + x = -14.76482306 Solving 12 + x = -14.76482306 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 = -14.76482306 + -12 Combine like terms: 12 + -12 = 0 0 + x = -14.76482306 + -12 x = -14.76482306 + -12 Combine like terms: -14.76482306 + -12 = -26.76482306 x = -26.76482306 Simplifying x = -26.76482306

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.76482306, -26.76482306}

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