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Simplifying 100x + 100x2 + -45 = 0 Reorder the terms: -45 + 100x + 100x2 = 0 Solving -45 + 100x + 100x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '5'. 5(-9 + 20x + 20x2) = 0 Ignore the factor 5.Subproblem 1
Set the factor '(-9 + 20x + 20x2)' equal to zero and attempt to solve: Simplifying -9 + 20x + 20x2 = 0 Solving -9 + 20x + 20x2 = 0 Begin completing the square. Divide all terms by 20 the coefficient of the squared term: Divide each side by '20'. -0.45 + x + x2 = 0.0 Move the constant term to the right: Add '0.45' to each side of the equation. -0.45 + x + 0.45 + x2 = 0.0 + 0.45 Reorder the terms: -0.45 + 0.45 + x + x2 = 0.0 + 0.45 Combine like terms: -0.45 + 0.45 = 0.00 0.00 + x + x2 = 0.0 + 0.45 x + x2 = 0.0 + 0.45 Combine like terms: 0.0 + 0.45 = 0.45 x + x2 = 0.45 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. + 0.25 + x2 = 0.45 + 0.25 Combine like terms: + 0.25 = 1.25 1.25 + x2 = 0.45 + 0.25 Combine like terms: 0.45 + 0.25 = 0.7 1.25 + x2 = 0.7 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 0.7 Calculate the square root of the right side: 0.836660027 Break this problem into two subproblems by setting (x + 0.5) equal to 0.836660027 and -0.836660027.Subproblem 1
x + 0.5 = 0.836660027 Simplifying x + 0.5 = 0.836660027 Reorder the terms: 0.5 + x = 0.836660027 Solving 0.5 + x = 0.836660027 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 0.836660027 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.836660027 + -0.5 x = 0.836660027 + -0.5 Combine like terms: 0.836660027 + -0.5 = 0.336660027 x = 0.336660027 Simplifying x = 0.336660027Subproblem 2
x + 0.5 = -0.836660027 Simplifying x + 0.5 = -0.836660027 Reorder the terms: 0.5 + x = -0.836660027 Solving 0.5 + x = -0.836660027 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -0.836660027 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.836660027 + -0.5 x = -0.836660027 + -0.5 Combine like terms: -0.836660027 + -0.5 = -1.336660027 x = -1.336660027 Simplifying x = -1.336660027Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.336660027, -1.336660027}Solution
x = {0.336660027, -1.336660027}
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