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Simplifying -16x2 + 34x + 18 = 0 Reorder the terms: 18 + 34x + -16x2 = 0 Solving 18 + 34x + -16x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(9 + 17x + -8x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(9 + 17x + -8x2)' equal to zero and attempt to solve: Simplifying 9 + 17x + -8x2 = 0 Solving 9 + 17x + -8x2 = 0 Begin completing the square. Divide all terms by -8 the coefficient of the squared term: Divide each side by '-8'. -1.125 + -2.125x + x2 = 0 Move the constant term to the right: Add '1.125' to each side of the equation. -1.125 + -2.125x + 1.125 + x2 = 0 + 1.125 Reorder the terms: -1.125 + 1.125 + -2.125x + x2 = 0 + 1.125 Combine like terms: -1.125 + 1.125 = 0.000 0.000 + -2.125x + x2 = 0 + 1.125 -2.125x + x2 = 0 + 1.125 Combine like terms: 0 + 1.125 = 1.125 -2.125x + x2 = 1.125 The x term is -2.125x. Take half its coefficient (-1.0625). Square it (1.12890625) and add it to both sides. Add '1.12890625' to each side of the equation. -2.125x + 1.12890625 + x2 = 1.125 + 1.12890625 Reorder the terms: 1.12890625 + -2.125x + x2 = 1.125 + 1.12890625 Combine like terms: 1.125 + 1.12890625 = 2.25390625 1.12890625 + -2.125x + x2 = 2.25390625 Factor a perfect square on the left side: (x + -1.0625)(x + -1.0625) = 2.25390625 Calculate the square root of the right side: 1.501301519 Break this problem into two subproblems by setting (x + -1.0625) equal to 1.501301519 and -1.501301519.Subproblem 1
x + -1.0625 = 1.501301519 Simplifying x + -1.0625 = 1.501301519 Reorder the terms: -1.0625 + x = 1.501301519 Solving -1.0625 + x = 1.501301519 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.0625' to each side of the equation. -1.0625 + 1.0625 + x = 1.501301519 + 1.0625 Combine like terms: -1.0625 + 1.0625 = 0.0000 0.0000 + x = 1.501301519 + 1.0625 x = 1.501301519 + 1.0625 Combine like terms: 1.501301519 + 1.0625 = 2.563801519 x = 2.563801519 Simplifying x = 2.563801519Subproblem 2
x + -1.0625 = -1.501301519 Simplifying x + -1.0625 = -1.501301519 Reorder the terms: -1.0625 + x = -1.501301519 Solving -1.0625 + x = -1.501301519 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.0625' to each side of the equation. -1.0625 + 1.0625 + x = -1.501301519 + 1.0625 Combine like terms: -1.0625 + 1.0625 = 0.0000 0.0000 + x = -1.501301519 + 1.0625 x = -1.501301519 + 1.0625 Combine like terms: -1.501301519 + 1.0625 = -0.438801519 x = -0.438801519 Simplifying x = -0.438801519Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.563801519, -0.438801519}Solution
x = {2.563801519, -0.438801519}
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