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Simplifying 125 + (5.2x) + (4.9x2) = 0 Solving 125 + (5.2x) + (4.9x2) = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4.9 the coefficient of the squared term: Divide each side by '4.9'. 25.51020408 + (1.06122449x) + x2 = 0 Move the constant term to the right: Add '-25.51020408' to each side of the equation. 25.51020408 + (1.06122449x) + -25.51020408 + x2 = 0 + -25.51020408 Reorder the terms: 25.51020408 + -25.51020408 + (1.06122449x) + x2 = 0 + -25.51020408 Combine like terms: 25.51020408 + -25.51020408 = 0.00000000 0.00000000 + (1.06122449x) + x2 = 0 + -25.51020408 (1.06122449x) + x2 = 0 + -25.51020408 Combine like terms: 0 + -25.51020408 = -25.51020408 (1.06122449x) + x2 = -25.51020408 The x term is (1.06122449x). Take half its coefficient (0.530612245). Square it (0.2815493545) and add it to both sides. Add '0.2815493545' to each side of the equation. (1.06122449x) + 0.2815493545 + x2 = -25.51020408 + 0.2815493545 Reorder the terms: 0.2815493545 + (1.06122449x) + x2 = -25.51020408 + 0.2815493545 Combine like terms: -25.51020408 + 0.2815493545 = -25.2286547255 0.2815493545 + (1.06122449x) + x2 = -25.2286547255 Factor a perfect square on the left side: ((x) + 0.530612245)((x) + 0.530612245) = -25.2286547255 Can't calculate square root of the right side. The solution to this equation could not be determined.
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