63x^2-11x-3=0

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Solution for 63x^2-11x-3=0 equation:


Simplifying
63x2 + -11x + -3 = 0

Reorder the terms:
-3 + -11x + 63x2 = 0

Solving
-3 + -11x + 63x2 = 0

Solving for variable 'x'.

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

Divide each side by '63'.
-0.04761904762 + -0.1746031746x + x2 = 0

Move the constant term to the right:

Add '0.04761904762' to each side of the equation.
-0.04761904762 + -0.1746031746x + 0.04761904762 + x2 = 0 + 0.04761904762

Reorder the terms:
-0.04761904762 + 0.04761904762 + -0.1746031746x + x2 = 0 + 0.04761904762

Combine like terms: -0.04761904762 + 0.04761904762 = 0.00000000000
0.00000000000 + -0.1746031746x + x2 = 0 + 0.04761904762
-0.1746031746x + x2 = 0 + 0.04761904762

Combine like terms: 0 + 0.04761904762 = 0.04761904762
-0.1746031746x + x2 = 0.04761904762

The x term is -0.1746031746x.  Take half its coefficient (-0.0873015873).
Square it (0.007621567145) and add it to both sides.

Add '0.007621567145' to each side of the equation.
-0.1746031746x + 0.007621567145 + x2 = 0.04761904762 + 0.007621567145

Reorder the terms:
0.007621567145 + -0.1746031746x + x2 = 0.04761904762 + 0.007621567145

Combine like terms: 0.04761904762 + 0.007621567145 = 0.055240614765
0.007621567145 + -0.1746031746x + x2 = 0.055240614765

Factor a perfect square on the left side:
(x + -0.0873015873)(x + -0.0873015873) = 0.055240614765

Calculate the square root of the right side: 0.235033221

Break this problem into two subproblems by setting 
(x + -0.0873015873) equal to 0.235033221 and -0.235033221.

Subproblem 1

x + -0.0873015873 = 0.235033221 Simplifying x + -0.0873015873 = 0.235033221 Reorder the terms: -0.0873015873 + x = 0.235033221 Solving -0.0873015873 + x = 0.235033221 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0873015873' to each side of the equation. -0.0873015873 + 0.0873015873 + x = 0.235033221 + 0.0873015873 Combine like terms: -0.0873015873 + 0.0873015873 = 0.0000000000 0.0000000000 + x = 0.235033221 + 0.0873015873 x = 0.235033221 + 0.0873015873 Combine like terms: 0.235033221 + 0.0873015873 = 0.3223348083 x = 0.3223348083 Simplifying x = 0.3223348083

Subproblem 2

x + -0.0873015873 = -0.235033221 Simplifying x + -0.0873015873 = -0.235033221 Reorder the terms: -0.0873015873 + x = -0.235033221 Solving -0.0873015873 + x = -0.235033221 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0873015873' to each side of the equation. -0.0873015873 + 0.0873015873 + x = -0.235033221 + 0.0873015873 Combine like terms: -0.0873015873 + 0.0873015873 = 0.0000000000 0.0000000000 + x = -0.235033221 + 0.0873015873 x = -0.235033221 + 0.0873015873 Combine like terms: -0.235033221 + 0.0873015873 = -0.1477316337 x = -0.1477316337 Simplifying x = -0.1477316337

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.3223348083, -0.1477316337}

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