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Simplifying (-4.9) * X2 + 3X = 100 Reorder the terms: 3X + -4.9X2 = 100 Solving 3X + -4.9X2 = 100 Solving for variable 'X'. Reorder the terms: -100 + 3X + -4.9X2 = 100 + -100 Combine like terms: 100 + -100 = 0 -100 + 3X + -4.9X2 = 0 Begin completing the square. Divide all terms by -4.9 the coefficient of the squared term: Divide each side by '-4.9'. 20.40816327 + -0.612244898X + X2 = 0 Move the constant term to the right: Add '-20.40816327' to each side of the equation. 20.40816327 + -0.612244898X + -20.40816327 + X2 = 0 + -20.40816327 Reorder the terms: 20.40816327 + -20.40816327 + -0.612244898X + X2 = 0 + -20.40816327 Combine like terms: 20.40816327 + -20.40816327 = 0.00000000 0.00000000 + -0.612244898X + X2 = 0 + -20.40816327 -0.612244898X + X2 = 0 + -20.40816327 Combine like terms: 0 + -20.40816327 = -20.40816327 -0.612244898X + X2 = -20.40816327 The X term is -0.612244898X. Take half its coefficient (-0.306122449). Square it (0.09371095378) and add it to both sides. Add '0.09371095378' to each side of the equation. -0.612244898X + 0.09371095378 + X2 = -20.40816327 + 0.09371095378 Reorder the terms: 0.09371095378 + -0.612244898X + X2 = -20.40816327 + 0.09371095378 Combine like terms: -20.40816327 + 0.09371095378 = -20.31445231622 0.09371095378 + -0.612244898X + X2 = -20.31445231622 Factor a perfect square on the left side: (X + -0.306122449)(X + -0.306122449) = -20.31445231622 Can't calculate square root of the right side. The solution to this equation could not be determined.
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