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Simplifying 15870 + 30x + 0.3x2 = 0 Solving 15870 + 30x + 0.3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.3 the coefficient of the squared term: Divide each side by '0.3'. 52900 + 100x + x2 = 0 Move the constant term to the right: Add '-52900' to each side of the equation. 52900 + 100x + -52900 + x2 = 0 + -52900 Reorder the terms: 52900 + -52900 + 100x + x2 = 0 + -52900 Combine like terms: 52900 + -52900 = 0 0 + 100x + x2 = 0 + -52900 100x + x2 = 0 + -52900 Combine like terms: 0 + -52900 = -52900 100x + x2 = -52900 The x term is 100x. Take half its coefficient (50). Square it (2500) and add it to both sides. Add '2500' to each side of the equation. 100x + 2500 + x2 = -52900 + 2500 Reorder the terms: 2500 + 100x + x2 = -52900 + 2500 Combine like terms: -52900 + 2500 = -50400 2500 + 100x + x2 = -50400 Factor a perfect square on the left side: (x + 50)(x + 50) = -50400 Can't calculate square root of the right side. The solution to this equation could not be determined.
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