-16x^2+64x+4=0

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Solution for -16x^2+64x+4=0 equation:


Simplifying
-16x2 + 64x + 4 = 0

Reorder the terms:
4 + 64x + -16x2 = 0

Solving
4 + 64x + -16x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(1 + 16x + -4x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(1 + 16x + -4x2)' equal to zero and attempt to solve: Simplifying 1 + 16x + -4x2 = 0 Solving 1 + 16x + -4x2 = 0 Begin completing the square. Divide all terms by -4 the coefficient of the squared term: Divide each side by '-4'. -0.25 + -4x + x2 = 0 Move the constant term to the right: Add '0.25' to each side of the equation. -0.25 + -4x + 0.25 + x2 = 0 + 0.25 Reorder the terms: -0.25 + 0.25 + -4x + x2 = 0 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + -4x + x2 = 0 + 0.25 -4x + x2 = 0 + 0.25 Combine like terms: 0 + 0.25 = 0.25 -4x + x2 = 0.25 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = 0.25 + 4 Reorder the terms: 4 + -4x + x2 = 0.25 + 4 Combine like terms: 0.25 + 4 = 4.25 4 + -4x + x2 = 4.25 Factor a perfect square on the left side: (x + -2)(x + -2) = 4.25 Calculate the square root of the right side: 2.061552813 Break this problem into two subproblems by setting (x + -2) equal to 2.061552813 and -2.061552813.

Subproblem 1

x + -2 = 2.061552813 Simplifying x + -2 = 2.061552813 Reorder the terms: -2 + x = 2.061552813 Solving -2 + x = 2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 2.061552813 + 2 Combine like terms: -2 + 2 = 0 0 + x = 2.061552813 + 2 x = 2.061552813 + 2 Combine like terms: 2.061552813 + 2 = 4.061552813 x = 4.061552813 Simplifying x = 4.061552813

Subproblem 2

x + -2 = -2.061552813 Simplifying x + -2 = -2.061552813 Reorder the terms: -2 + x = -2.061552813 Solving -2 + x = -2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -2.061552813 + 2 Combine like terms: -2 + 2 = 0 0 + x = -2.061552813 + 2 x = -2.061552813 + 2 Combine like terms: -2.061552813 + 2 = -0.061552813 x = -0.061552813 Simplifying x = -0.061552813

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.061552813, -0.061552813}

Solution

x = {4.061552813, -0.061552813}

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