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Simplifying 4.9x2 + -20x + 300 = 0 Reorder the terms: 300 + -20x + 4.9x2 = 0 Solving 300 + -20x + 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'. 61.2244898 + -4.081632653x + x2 = 0 Move the constant term to the right: Add '-61.2244898' to each side of the equation. 61.2244898 + -4.081632653x + -61.2244898 + x2 = 0 + -61.2244898 Reorder the terms: 61.2244898 + -61.2244898 + -4.081632653x + x2 = 0 + -61.2244898 Combine like terms: 61.2244898 + -61.2244898 = 0.0000000 0.0000000 + -4.081632653x + x2 = 0 + -61.2244898 -4.081632653x + x2 = 0 + -61.2244898 Combine like terms: 0 + -61.2244898 = -61.2244898 -4.081632653x + x2 = -61.2244898 The x term is -4.081632653x. Take half its coefficient (-2.040816327). Square it (4.164931281) and add it to both sides. Add '4.164931281' to each side of the equation. -4.081632653x + 4.164931281 + x2 = -61.2244898 + 4.164931281 Reorder the terms: 4.164931281 + -4.081632653x + x2 = -61.2244898 + 4.164931281 Combine like terms: -61.2244898 + 4.164931281 = -57.059558519 4.164931281 + -4.081632653x + x2 = -57.059558519 Factor a perfect square on the left side: (x + -2.040816327)(x + -2.040816327) = -57.059558519 Can't calculate square root of the right side. The solution to this equation could not be determined.
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