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Simplifying 2x2 + 16x = 1 Reorder the terms: 16x + 2x2 = 1 Solving 16x + 2x2 = 1 Solving for variable 'x'. Reorder the terms: -1 + 16x + 2x2 = 1 + -1 Combine like terms: 1 + -1 = 0 -1 + 16x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -0.5 + 8x + x2 = 0 Move the constant term to the right: Add '0.5' to each side of the equation. -0.5 + 8x + 0.5 + x2 = 0 + 0.5 Reorder the terms: -0.5 + 0.5 + 8x + x2 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + 8x + x2 = 0 + 0.5 8x + x2 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 8x + x2 = 0.5 The x term is 8x. Take half its coefficient (4). Square it (16) and add it to both sides. Add '16' to each side of the equation. 8x + 16 + x2 = 0.5 + 16 Reorder the terms: 16 + 8x + x2 = 0.5 + 16 Combine like terms: 0.5 + 16 = 16.5 16 + 8x + x2 = 16.5 Factor a perfect square on the left side: (x + 4)(x + 4) = 16.5 Calculate the square root of the right side: 4.062019202 Break this problem into two subproblems by setting (x + 4) equal to 4.062019202 and -4.062019202.Subproblem 1
x + 4 = 4.062019202 Simplifying x + 4 = 4.062019202 Reorder the terms: 4 + x = 4.062019202 Solving 4 + x = 4.062019202 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 4.062019202 + -4 Combine like terms: 4 + -4 = 0 0 + x = 4.062019202 + -4 x = 4.062019202 + -4 Combine like terms: 4.062019202 + -4 = 0.062019202 x = 0.062019202 Simplifying x = 0.062019202Subproblem 2
x + 4 = -4.062019202 Simplifying x + 4 = -4.062019202 Reorder the terms: 4 + x = -4.062019202 Solving 4 + x = -4.062019202 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -4.062019202 + -4 Combine like terms: 4 + -4 = 0 0 + x = -4.062019202 + -4 x = -4.062019202 + -4 Combine like terms: -4.062019202 + -4 = -8.062019202 x = -8.062019202 Simplifying x = -8.062019202Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.062019202, -8.062019202}
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