64x^2-24x-9=

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Solution for 64x^2-24x-9= equation:


Simplifying
64x2 + -24x + -9 = 0

Reorder the terms:
-9 + -24x + 64x2 = 0

Solving
-9 + -24x + 64x2 = 0

Solving for variable 'x'.

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

Divide each side by '64'.
-0.140625 + -0.375x + x2 = 0

Move the constant term to the right:

Add '0.140625' to each side of the equation.
-0.140625 + -0.375x + 0.140625 + x2 = 0 + 0.140625

Reorder the terms:
-0.140625 + 0.140625 + -0.375x + x2 = 0 + 0.140625

Combine like terms: -0.140625 + 0.140625 = 0.000000
0.000000 + -0.375x + x2 = 0 + 0.140625
-0.375x + x2 = 0 + 0.140625

Combine like terms: 0 + 0.140625 = 0.140625
-0.375x + x2 = 0.140625

The x term is -0.375x.  Take half its coefficient (-0.1875).
Square it (0.03515625) and add it to both sides.

Add '0.03515625' to each side of the equation.
-0.375x + 0.03515625 + x2 = 0.140625 + 0.03515625

Reorder the terms:
0.03515625 + -0.375x + x2 = 0.140625 + 0.03515625

Combine like terms: 0.140625 + 0.03515625 = 0.17578125
0.03515625 + -0.375x + x2 = 0.17578125

Factor a perfect square on the left side:
(x + -0.1875)(x + -0.1875) = 0.17578125

Calculate the square root of the right side: 0.419262746

Break this problem into two subproblems by setting 
(x + -0.1875) equal to 0.419262746 and -0.419262746.

Subproblem 1

x + -0.1875 = 0.419262746 Simplifying x + -0.1875 = 0.419262746 Reorder the terms: -0.1875 + x = 0.419262746 Solving -0.1875 + x = 0.419262746 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1875' to each side of the equation. -0.1875 + 0.1875 + x = 0.419262746 + 0.1875 Combine like terms: -0.1875 + 0.1875 = 0.0000 0.0000 + x = 0.419262746 + 0.1875 x = 0.419262746 + 0.1875 Combine like terms: 0.419262746 + 0.1875 = 0.606762746 x = 0.606762746 Simplifying x = 0.606762746

Subproblem 2

x + -0.1875 = -0.419262746 Simplifying x + -0.1875 = -0.419262746 Reorder the terms: -0.1875 + x = -0.419262746 Solving -0.1875 + x = -0.419262746 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1875' to each side of the equation. -0.1875 + 0.1875 + x = -0.419262746 + 0.1875 Combine like terms: -0.1875 + 0.1875 = 0.0000 0.0000 + x = -0.419262746 + 0.1875 x = -0.419262746 + 0.1875 Combine like terms: -0.419262746 + 0.1875 = -0.231762746 x = -0.231762746 Simplifying x = -0.231762746

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.606762746, -0.231762746}

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