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Simplifying 8x2 + -2x + 16 = 0 Reorder the terms: 16 + -2x + 8x2 = 0 Solving 16 + -2x + 8x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(8 + -1x + 4x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(8 + -1x + 4x2)' equal to zero and attempt to solve: Simplifying 8 + -1x + 4x2 = 0 Solving 8 + -1x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 2 + -0.25x + x2 = 0 Move the constant term to the right: Add '-2' to each side of the equation. 2 + -0.25x + -2 + x2 = 0 + -2 Reorder the terms: 2 + -2 + -0.25x + x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -0.25x + x2 = 0 + -2 -0.25x + x2 = 0 + -2 Combine like terms: 0 + -2 = -2 -0.25x + x2 = -2 The x term is -0.25x. Take half its coefficient (-0.125). Square it (0.015625) and add it to both sides. Add '0.015625' to each side of the equation. -0.25x + 0.015625 + x2 = -2 + 0.015625 Reorder the terms: 0.015625 + -0.25x + x2 = -2 + 0.015625 Combine like terms: -2 + 0.015625 = -1.984375 0.015625 + -0.25x + x2 = -1.984375 Factor a perfect square on the left side: (x + -0.125)(x + -0.125) = -1.984375 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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