x+7=144x^2

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Solution for x+7=144x^2 equation:


Simplifying
x + 7 = 144x2

Reorder the terms:
7 + x = 144x2

Solving
7 + x = 144x2

Solving for variable 'x'.

Combine like terms: 144x2 + -144x2 = 0
7 + x + -144x2 = 0

Begin completing the square.  Divide all terms by
-144 the coefficient of the squared term: 

Divide each side by '-144'.
-0.04861111111 + -0.006944444444x + x2 = 0

Move the constant term to the right:

Add '0.04861111111' to each side of the equation.
-0.04861111111 + -0.006944444444x + 0.04861111111 + x2 = 0 + 0.04861111111

Reorder the terms:
-0.04861111111 + 0.04861111111 + -0.006944444444x + x2 = 0 + 0.04861111111

Combine like terms: -0.04861111111 + 0.04861111111 = 0.00000000000
0.00000000000 + -0.006944444444x + x2 = 0 + 0.04861111111
-0.006944444444x + x2 = 0 + 0.04861111111

Combine like terms: 0 + 0.04861111111 = 0.04861111111
-0.006944444444x + x2 = 0.04861111111

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.
-0.006944444444x + 0.25 + x2 = 0.04861111111 + 0.25

Reorder the terms:
0.25 + -0.006944444444x + x2 = 0.04861111111 + 0.25

Combine like terms: 0.04861111111 + 0.25 = 0.29861111111
0.25 + -0.006944444444x + x2 = 0.29861111111

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 0.29861111111

Calculate the square root of the right side: 0.54645321

Break this problem into two subproblems by setting 
(x + 0.5) equal to 0.54645321 and -0.54645321.

Subproblem 1

x + 0.5 = 0.54645321 Simplifying x + 0.5 = 0.54645321 Reorder the terms: 0.5 + x = 0.54645321 Solving 0.5 + x = 0.54645321 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 = 0.54645321 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.54645321 + -0.5 x = 0.54645321 + -0.5 Combine like terms: 0.54645321 + -0.5 = 0.04645321 x = 0.04645321 Simplifying x = 0.04645321

Subproblem 2

x + 0.5 = -0.54645321 Simplifying x + 0.5 = -0.54645321 Reorder the terms: 0.5 + x = -0.54645321 Solving 0.5 + x = -0.54645321 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 = -0.54645321 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.54645321 + -0.5 x = -0.54645321 + -0.5 Combine like terms: -0.54645321 + -0.5 = -1.04645321 x = -1.04645321 Simplifying x = -1.04645321

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.04645321, -1.04645321}

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