x^2+3=-74x

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Solution for x^2+3=-74x equation:


Simplifying
x2 + 3 = -74x

Reorder the terms:
3 + x2 = -74x

Solving
3 + x2 = -74x

Solving for variable 'x'.

Reorder the terms:
3 + 74x + x2 = -74x + 74x

Combine like terms: -74x + 74x = 0
3 + 74x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 74x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + 74x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 74x + x2 = 0 + -3
74x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
74x + x2 = -3

The x term is 74x.  Take half its coefficient (37).
Square it (1369) and add it to both sides.

Add '1369' to each side of the equation.
74x + 1369 + x2 = -3 + 1369

Reorder the terms:
1369 + 74x + x2 = -3 + 1369

Combine like terms: -3 + 1369 = 1366
1369 + 74x + x2 = 1366

Factor a perfect square on the left side:
(x + 37)(x + 37) = 1366

Calculate the square root of the right side: 36.959437225

Break this problem into two subproblems by setting 
(x + 37) equal to 36.959437225 and -36.959437225.

Subproblem 1

x + 37 = 36.959437225 Simplifying x + 37 = 36.959437225 Reorder the terms: 37 + x = 36.959437225 Solving 37 + x = 36.959437225 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-37' to each side of the equation. 37 + -37 + x = 36.959437225 + -37 Combine like terms: 37 + -37 = 0 0 + x = 36.959437225 + -37 x = 36.959437225 + -37 Combine like terms: 36.959437225 + -37 = -0.040562775 x = -0.040562775 Simplifying x = -0.040562775

Subproblem 2

x + 37 = -36.959437225 Simplifying x + 37 = -36.959437225 Reorder the terms: 37 + x = -36.959437225 Solving 37 + x = -36.959437225 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-37' to each side of the equation. 37 + -37 + x = -36.959437225 + -37 Combine like terms: 37 + -37 = 0 0 + x = -36.959437225 + -37 x = -36.959437225 + -37 Combine like terms: -36.959437225 + -37 = -73.959437225 x = -73.959437225 Simplifying x = -73.959437225

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.040562775, -73.959437225}

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