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Simplifying 10x2 + -8x + 2 = 0 Reorder the terms: 2 + -8x + 10x2 = 0 Solving 2 + -8x + 10x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(1 + -4x + 5x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(1 + -4x + 5x2)' equal to zero and attempt to solve: Simplifying 1 + -4x + 5x2 = 0 Solving 1 + -4x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 0.2 + -0.8x + x2 = 0 Move the constant term to the right: Add '-0.2' to each side of the equation. 0.2 + -0.8x + -0.2 + x2 = 0 + -0.2 Reorder the terms: 0.2 + -0.2 + -0.8x + x2 = 0 + -0.2 Combine like terms: 0.2 + -0.2 = 0.0 0.0 + -0.8x + x2 = 0 + -0.2 -0.8x + x2 = 0 + -0.2 Combine like terms: 0 + -0.2 = -0.2 -0.8x + x2 = -0.2 The x term is -0.8x. Take half its coefficient (-0.4). Square it (0.16) and add it to both sides. Add '0.16' to each side of the equation. -0.8x + 0.16 + x2 = -0.2 + 0.16 Reorder the terms: 0.16 + -0.8x + x2 = -0.2 + 0.16 Combine like terms: -0.2 + 0.16 = -0.04 0.16 + -0.8x + x2 = -0.04 Factor a perfect square on the left side: (x + -0.4)(x + -0.4) = -0.04 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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