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Simplifying 4x2 + 18x + -1882 = 0 Reorder the terms: -1882 + 18x + 4x2 = 0 Solving -1882 + 18x + 4x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(-941 + 9x + 2x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-941 + 9x + 2x2)' equal to zero and attempt to solve: Simplifying -941 + 9x + 2x2 = 0 Solving -941 + 9x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -470.5 + 4.5x + x2 = 0 Move the constant term to the right: Add '470.5' to each side of the equation. -470.5 + 4.5x + 470.5 + x2 = 0 + 470.5 Reorder the terms: -470.5 + 470.5 + 4.5x + x2 = 0 + 470.5 Combine like terms: -470.5 + 470.5 = 0.0 0.0 + 4.5x + x2 = 0 + 470.5 4.5x + x2 = 0 + 470.5 Combine like terms: 0 + 470.5 = 470.5 4.5x + x2 = 470.5 The x term is 4.5x. Take half its coefficient (2.25). Square it (5.0625) and add it to both sides. Add '5.0625' to each side of the equation. 4.5x + 5.0625 + x2 = 470.5 + 5.0625 Reorder the terms: 5.0625 + 4.5x + x2 = 470.5 + 5.0625 Combine like terms: 470.5 + 5.0625 = 475.5625 5.0625 + 4.5x + x2 = 475.5625 Factor a perfect square on the left side: (x + 2.25)(x + 2.25) = 475.5625 Calculate the square root of the right side: 21.807395535 Break this problem into two subproblems by setting (x + 2.25) equal to 21.807395535 and -21.807395535.Subproblem 1
x + 2.25 = 21.807395535 Simplifying x + 2.25 = 21.807395535 Reorder the terms: 2.25 + x = 21.807395535 Solving 2.25 + x = 21.807395535 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.25' to each side of the equation. 2.25 + -2.25 + x = 21.807395535 + -2.25 Combine like terms: 2.25 + -2.25 = 0.00 0.00 + x = 21.807395535 + -2.25 x = 21.807395535 + -2.25 Combine like terms: 21.807395535 + -2.25 = 19.557395535 x = 19.557395535 Simplifying x = 19.557395535Subproblem 2
x + 2.25 = -21.807395535 Simplifying x + 2.25 = -21.807395535 Reorder the terms: 2.25 + x = -21.807395535 Solving 2.25 + x = -21.807395535 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.25' to each side of the equation. 2.25 + -2.25 + x = -21.807395535 + -2.25 Combine like terms: 2.25 + -2.25 = 0.00 0.00 + x = -21.807395535 + -2.25 x = -21.807395535 + -2.25 Combine like terms: -21.807395535 + -2.25 = -24.057395535 x = -24.057395535 Simplifying x = -24.057395535Solution
The solution to the problem is based on the solutions from the subproblems. x = {19.557395535, -24.057395535}Solution
x = {19.557395535, -24.057395535}
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