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Simplifying 39x2 + -7x + 3 = 0 Reorder the terms: 3 + -7x + 39x2 = 0 Solving 3 + -7x + 39x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 39 the coefficient of the squared term: Divide each side by '39'. 0.07692307692 + -0.1794871795x + x2 = 0 Move the constant term to the right: Add '-0.07692307692' to each side of the equation. 0.07692307692 + -0.1794871795x + -0.07692307692 + x2 = 0 + -0.07692307692 Reorder the terms: 0.07692307692 + -0.07692307692 + -0.1794871795x + x2 = 0 + -0.07692307692 Combine like terms: 0.07692307692 + -0.07692307692 = 0.00000000000 0.00000000000 + -0.1794871795x + x2 = 0 + -0.07692307692 -0.1794871795x + x2 = 0 + -0.07692307692 Combine like terms: 0 + -0.07692307692 = -0.07692307692 -0.1794871795x + x2 = -0.07692307692 The x term is -0.1794871795x. Take half its coefficient (-0.08974358975). Square it (0.008053911901) and add it to both sides. Add '0.008053911901' to each side of the equation. -0.1794871795x + 0.008053911901 + x2 = -0.07692307692 + 0.008053911901 Reorder the terms: 0.008053911901 + -0.1794871795x + x2 = -0.07692307692 + 0.008053911901 Combine like terms: -0.07692307692 + 0.008053911901 = -0.068869165019 0.008053911901 + -0.1794871795x + x2 = -0.068869165019 Factor a perfect square on the left side: (x + -0.08974358975)(x + -0.08974358975) = -0.068869165019 Can't calculate square root of the right side. The solution to this equation could not be determined.
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