8x^2+64x=2

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Solution for 8x^2+64x=2 equation:


Simplifying
8x2 + 64x = 2

Reorder the terms:
64x + 8x2 = 2

Solving
64x + 8x2 = 2

Solving for variable 'x'.

Reorder the terms:
-2 + 64x + 8x2 = 2 + -2

Combine like terms: 2 + -2 = 0
-2 + 64x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-1 + 32x + 4x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-1 + 32x + 4x2)' equal to zero and attempt to solve: Simplifying -1 + 32x + 4x2 = 0 Solving -1 + 32x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -0.25 + 8x + x2 = 0 Move the constant term to the right: Add '0.25' to each side of the equation. -0.25 + 8x + 0.25 + x2 = 0 + 0.25 Reorder the terms: -0.25 + 0.25 + 8x + x2 = 0 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + 8x + x2 = 0 + 0.25 8x + x2 = 0 + 0.25 Combine like terms: 0 + 0.25 = 0.25 8x + x2 = 0.25 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 = 0.25 + 16 Reorder the terms: 16 + 8x + x2 = 0.25 + 16 Combine like terms: 0.25 + 16 = 16.25 16 + 8x + x2 = 16.25 Factor a perfect square on the left side: (x + 4)(x + 4) = 16.25 Calculate the square root of the right side: 4.031128874 Break this problem into two subproblems by setting (x + 4) equal to 4.031128874 and -4.031128874.

Subproblem 1

x + 4 = 4.031128874 Simplifying x + 4 = 4.031128874 Reorder the terms: 4 + x = 4.031128874 Solving 4 + x = 4.031128874 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 = 4.031128874 + -4 Combine like terms: 4 + -4 = 0 0 + x = 4.031128874 + -4 x = 4.031128874 + -4 Combine like terms: 4.031128874 + -4 = 0.031128874 x = 0.031128874 Simplifying x = 0.031128874

Subproblem 2

x + 4 = -4.031128874 Simplifying x + 4 = -4.031128874 Reorder the terms: 4 + x = -4.031128874 Solving 4 + x = -4.031128874 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 = -4.031128874 + -4 Combine like terms: 4 + -4 = 0 0 + x = -4.031128874 + -4 x = -4.031128874 + -4 Combine like terms: -4.031128874 + -4 = -8.031128874 x = -8.031128874 Simplifying x = -8.031128874

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.031128874, -8.031128874}

Solution

x = {0.031128874, -8.031128874}

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