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Simplifying 16x2 + 30x + 2 = 0 Reorder the terms: 2 + 30x + 16x2 = 0 Solving 2 + 30x + 16x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(1 + 15x + 8x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(1 + 15x + 8x2)' equal to zero and attempt to solve: Simplifying 1 + 15x + 8x2 = 0 Solving 1 + 15x + 8x2 = 0 Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. 0.125 + 1.875x + x2 = 0 Move the constant term to the right: Add '-0.125' to each side of the equation. 0.125 + 1.875x + -0.125 + x2 = 0 + -0.125 Reorder the terms: 0.125 + -0.125 + 1.875x + x2 = 0 + -0.125 Combine like terms: 0.125 + -0.125 = 0.000 0.000 + 1.875x + x2 = 0 + -0.125 1.875x + x2 = 0 + -0.125 Combine like terms: 0 + -0.125 = -0.125 1.875x + x2 = -0.125 The x term is 1.875x. Take half its coefficient (0.9375). Square it (0.87890625) and add it to both sides. Add '0.87890625' to each side of the equation. 1.875x + 0.87890625 + x2 = -0.125 + 0.87890625 Reorder the terms: 0.87890625 + 1.875x + x2 = -0.125 + 0.87890625 Combine like terms: -0.125 + 0.87890625 = 0.75390625 0.87890625 + 1.875x + x2 = 0.75390625 Factor a perfect square on the left side: (x + 0.9375)(x + 0.9375) = 0.75390625 Calculate the square root of the right side: 0.868277749 Break this problem into two subproblems by setting (x + 0.9375) equal to 0.868277749 and -0.868277749.Subproblem 1
x + 0.9375 = 0.868277749 Simplifying x + 0.9375 = 0.868277749 Reorder the terms: 0.9375 + x = 0.868277749 Solving 0.9375 + x = 0.868277749 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.9375' to each side of the equation. 0.9375 + -0.9375 + x = 0.868277749 + -0.9375 Combine like terms: 0.9375 + -0.9375 = 0.0000 0.0000 + x = 0.868277749 + -0.9375 x = 0.868277749 + -0.9375 Combine like terms: 0.868277749 + -0.9375 = -0.069222251 x = -0.069222251 Simplifying x = -0.069222251Subproblem 2
x + 0.9375 = -0.868277749 Simplifying x + 0.9375 = -0.868277749 Reorder the terms: 0.9375 + x = -0.868277749 Solving 0.9375 + x = -0.868277749 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.9375' to each side of the equation. 0.9375 + -0.9375 + x = -0.868277749 + -0.9375 Combine like terms: 0.9375 + -0.9375 = 0.0000 0.0000 + x = -0.868277749 + -0.9375 x = -0.868277749 + -0.9375 Combine like terms: -0.868277749 + -0.9375 = -1.805777749 x = -1.805777749 Simplifying x = -1.805777749Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.069222251, -1.805777749}Solution
x = {-0.069222251, -1.805777749}
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