49.4x^2+33.3x-63=0

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Solution for 49.4x^2+33.3x-63=0 equation:


Simplifying
49.4x2 + 33.3x + -63 = 0

Reorder the terms:
-63 + 33.3x + 49.4x2 = 0

Solving
-63 + 33.3x + 49.4x2 = 0

Solving for variable 'x'.

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

Divide each side by '49.4'.
-1.275303644 + 0.6740890688x + x2 = 0

Move the constant term to the right:

Add '1.275303644' to each side of the equation.
-1.275303644 + 0.6740890688x + 1.275303644 + x2 = 0 + 1.275303644

Reorder the terms:
-1.275303644 + 1.275303644 + 0.6740890688x + x2 = 0 + 1.275303644

Combine like terms: -1.275303644 + 1.275303644 = 0.000000000
0.000000000 + 0.6740890688x + x2 = 0 + 1.275303644
0.6740890688x + x2 = 0 + 1.275303644

Combine like terms: 0 + 1.275303644 = 1.275303644
0.6740890688x + x2 = 1.275303644

The x term is 0.6740890688x.  Take half its coefficient (0.3370445344).
Square it (0.1135990182) and add it to both sides.

Add '0.1135990182' to each side of the equation.
0.6740890688x + 0.1135990182 + x2 = 1.275303644 + 0.1135990182

Reorder the terms:
0.1135990182 + 0.6740890688x + x2 = 1.275303644 + 0.1135990182

Combine like terms: 1.275303644 + 0.1135990182 = 1.3889026622
0.1135990182 + 0.6740890688x + x2 = 1.3889026622

Factor a perfect square on the left side:
(x + 0.3370445344)(x + 0.3370445344) = 1.3889026622

Calculate the square root of the right side: 1.178517145

Break this problem into two subproblems by setting 
(x + 0.3370445344) equal to 1.178517145 and -1.178517145.

Subproblem 1

x + 0.3370445344 = 1.178517145 Simplifying x + 0.3370445344 = 1.178517145 Reorder the terms: 0.3370445344 + x = 1.178517145 Solving 0.3370445344 + x = 1.178517145 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3370445344' to each side of the equation. 0.3370445344 + -0.3370445344 + x = 1.178517145 + -0.3370445344 Combine like terms: 0.3370445344 + -0.3370445344 = 0.0000000000 0.0000000000 + x = 1.178517145 + -0.3370445344 x = 1.178517145 + -0.3370445344 Combine like terms: 1.178517145 + -0.3370445344 = 0.8414726106 x = 0.8414726106 Simplifying x = 0.8414726106

Subproblem 2

x + 0.3370445344 = -1.178517145 Simplifying x + 0.3370445344 = -1.178517145 Reorder the terms: 0.3370445344 + x = -1.178517145 Solving 0.3370445344 + x = -1.178517145 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3370445344' to each side of the equation. 0.3370445344 + -0.3370445344 + x = -1.178517145 + -0.3370445344 Combine like terms: 0.3370445344 + -0.3370445344 = 0.0000000000 0.0000000000 + x = -1.178517145 + -0.3370445344 x = -1.178517145 + -0.3370445344 Combine like terms: -1.178517145 + -0.3370445344 = -1.5155616794 x = -1.5155616794 Simplifying x = -1.5155616794

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.8414726106, -1.5155616794}

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