121x^2-110x=4

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Solution for 121x^2-110x=4 equation:


Simplifying
121x2 + -110x = 4

Reorder the terms:
-110x + 121x2 = 4

Solving
-110x + 121x2 = 4

Solving for variable 'x'.

Reorder the terms:
-4 + -110x + 121x2 = 4 + -4

Combine like terms: 4 + -4 = 0
-4 + -110x + 121x2 = 0

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

Divide each side by '121'.
-0.03305785124 + -0.9090909091x + x2 = 0

Move the constant term to the right:

Add '0.03305785124' to each side of the equation.
-0.03305785124 + -0.9090909091x + 0.03305785124 + x2 = 0 + 0.03305785124

Reorder the terms:
-0.03305785124 + 0.03305785124 + -0.9090909091x + x2 = 0 + 0.03305785124

Combine like terms: -0.03305785124 + 0.03305785124 = 0.00000000000
0.00000000000 + -0.9090909091x + x2 = 0 + 0.03305785124
-0.9090909091x + x2 = 0 + 0.03305785124

Combine like terms: 0 + 0.03305785124 = 0.03305785124
-0.9090909091x + x2 = 0.03305785124

The x term is -0.9090909091x.  Take half its coefficient (-0.4545454546).
Square it (0.2066115703) and add it to both sides.

Add '0.2066115703' to each side of the equation.
-0.9090909091x + 0.2066115703 + x2 = 0.03305785124 + 0.2066115703

Reorder the terms:
0.2066115703 + -0.9090909091x + x2 = 0.03305785124 + 0.2066115703

Combine like terms: 0.03305785124 + 0.2066115703 = 0.23966942154
0.2066115703 + -0.9090909091x + x2 = 0.23966942154

Factor a perfect square on the left side:
(x + -0.4545454546)(x + -0.4545454546) = 0.23966942154

Calculate the square root of the right side: 0.489560437

Break this problem into two subproblems by setting 
(x + -0.4545454546) equal to 0.489560437 and -0.489560437.

Subproblem 1

x + -0.4545454546 = 0.489560437 Simplifying x + -0.4545454546 = 0.489560437 Reorder the terms: -0.4545454546 + x = 0.489560437 Solving -0.4545454546 + x = 0.489560437 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4545454546' to each side of the equation. -0.4545454546 + 0.4545454546 + x = 0.489560437 + 0.4545454546 Combine like terms: -0.4545454546 + 0.4545454546 = 0.0000000000 0.0000000000 + x = 0.489560437 + 0.4545454546 x = 0.489560437 + 0.4545454546 Combine like terms: 0.489560437 + 0.4545454546 = 0.9441058916 x = 0.9441058916 Simplifying x = 0.9441058916

Subproblem 2

x + -0.4545454546 = -0.489560437 Simplifying x + -0.4545454546 = -0.489560437 Reorder the terms: -0.4545454546 + x = -0.489560437 Solving -0.4545454546 + x = -0.489560437 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4545454546' to each side of the equation. -0.4545454546 + 0.4545454546 + x = -0.489560437 + 0.4545454546 Combine like terms: -0.4545454546 + 0.4545454546 = 0.0000000000 0.0000000000 + x = -0.489560437 + 0.4545454546 x = -0.489560437 + 0.4545454546 Combine like terms: -0.489560437 + 0.4545454546 = -0.0350149824 x = -0.0350149824 Simplifying x = -0.0350149824

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.9441058916, -0.0350149824}

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