4x^2-32x-68=0

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Solution for 4x^2-32x-68=0 equation:


Simplifying
4x2 + -32x + -68 = 0

Reorder the terms:
-68 + -32x + 4x2 = 0

Solving
-68 + -32x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-17 + -8x + x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-17 + -8x + x2)' equal to zero and attempt to solve: Simplifying -17 + -8x + x2 = 0 Solving -17 + -8x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '17' to each side of the equation. -17 + -8x + 17 + x2 = 0 + 17 Reorder the terms: -17 + 17 + -8x + x2 = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -8x + x2 = 0 + 17 -8x + x2 = 0 + 17 Combine like terms: 0 + 17 = 17 -8x + x2 = 17 The x term is -8x. Take half its coefficient (-4). Square it (16) and add it to both sides. Add '16' to each side of the equation. -8x + 16 + x2 = 17 + 16 Reorder the terms: 16 + -8x + x2 = 17 + 16 Combine like terms: 17 + 16 = 33 16 + -8x + x2 = 33 Factor a perfect square on the left side: (x + -4)(x + -4) = 33 Calculate the square root of the right side: 5.744562647 Break this problem into two subproblems by setting (x + -4) equal to 5.744562647 and -5.744562647.

Subproblem 1

x + -4 = 5.744562647 Simplifying x + -4 = 5.744562647 Reorder the terms: -4 + x = 5.744562647 Solving -4 + x = 5.744562647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 5.744562647 + 4 Combine like terms: -4 + 4 = 0 0 + x = 5.744562647 + 4 x = 5.744562647 + 4 Combine like terms: 5.744562647 + 4 = 9.744562647 x = 9.744562647 Simplifying x = 9.744562647

Subproblem 2

x + -4 = -5.744562647 Simplifying x + -4 = -5.744562647 Reorder the terms: -4 + x = -5.744562647 Solving -4 + x = -5.744562647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -5.744562647 + 4 Combine like terms: -4 + 4 = 0 0 + x = -5.744562647 + 4 x = -5.744562647 + 4 Combine like terms: -5.744562647 + 4 = -1.744562647 x = -1.744562647 Simplifying x = -1.744562647

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.744562647, -1.744562647}

Solution

x = {9.744562647, -1.744562647}

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