x^2+x-304=0

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Solution for x^2+x-304=0 equation:


Simplifying
x2 + x + -304 = 0

Reorder the terms:
-304 + x + x2 = 0

Solving
-304 + x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '304' to each side of the equation.
-304 + x + 304 + x2 = 0 + 304

Reorder the terms:
-304 + 304 + x + x2 = 0 + 304

Combine like terms: -304 + 304 = 0
0 + x + x2 = 0 + 304
x + x2 = 0 + 304

Combine like terms: 0 + 304 = 304
x + x2 = 304

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 = 304 + 0.25

Reorder the terms:
0.25 + x + x2 = 304 + 0.25

Combine like terms: 304 + 0.25 = 304.25
0.25 + x + x2 = 304.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 304.25

Calculate the square root of the right side: 17.442763543

Break this problem into two subproblems by setting 
(x + 0.5) equal to 17.442763543 and -17.442763543.

Subproblem 1

x + 0.5 = 17.442763543 Simplifying x + 0.5 = 17.442763543 Reorder the terms: 0.5 + x = 17.442763543 Solving 0.5 + x = 17.442763543 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 = 17.442763543 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 17.442763543 + -0.5 x = 17.442763543 + -0.5 Combine like terms: 17.442763543 + -0.5 = 16.942763543 x = 16.942763543 Simplifying x = 16.942763543

Subproblem 2

x + 0.5 = -17.442763543 Simplifying x + 0.5 = -17.442763543 Reorder the terms: 0.5 + x = -17.442763543 Solving 0.5 + x = -17.442763543 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 = -17.442763543 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -17.442763543 + -0.5 x = -17.442763543 + -0.5 Combine like terms: -17.442763543 + -0.5 = -17.942763543 x = -17.942763543 Simplifying x = -17.942763543

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.942763543, -17.942763543}

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