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Simplifying 130x2 + -7x + 5 = 0 Reorder the terms: 5 + -7x + 130x2 = 0 Solving 5 + -7x + 130x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 130 the coefficient of the squared term: Divide each side by '130'. 0.03846153846 + -0.05384615385x + x2 = 0 Move the constant term to the right: Add '-0.03846153846' to each side of the equation. 0.03846153846 + -0.05384615385x + -0.03846153846 + x2 = 0 + -0.03846153846 Reorder the terms: 0.03846153846 + -0.03846153846 + -0.05384615385x + x2 = 0 + -0.03846153846 Combine like terms: 0.03846153846 + -0.03846153846 = 0.00000000000 0.00000000000 + -0.05384615385x + x2 = 0 + -0.03846153846 -0.05384615385x + x2 = 0 + -0.03846153846 Combine like terms: 0 + -0.03846153846 = -0.03846153846 -0.05384615385x + x2 = -0.03846153846 The x term is -0.05384615385x. Take half its coefficient (-0.02692307693). Square it (0.0007248520714) and add it to both sides. Add '0.0007248520714' to each side of the equation. -0.05384615385x + 0.0007248520714 + x2 = -0.03846153846 + 0.0007248520714 Reorder the terms: 0.0007248520714 + -0.05384615385x + x2 = -0.03846153846 + 0.0007248520714 Combine like terms: -0.03846153846 + 0.0007248520714 = -0.0377366863886 0.0007248520714 + -0.05384615385x + x2 = -0.0377366863886 Factor a perfect square on the left side: (x + -0.02692307693)(x + -0.02692307693) = -0.0377366863886 Can't calculate square root of the right side. The solution to this equation could not be determined.
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