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Simplifying 4x2 + -16x = -3 Reorder the terms: -16x + 4x2 = -3 Solving -16x + 4x2 = -3 Solving for variable 'x'. Reorder the terms: 3 + -16x + 4x2 = -3 + 3 Combine like terms: -3 + 3 = 0 3 + -16x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 0.75 + -4x + x2 = 0 Move the constant term to the right: Add '-0.75' to each side of the equation. 0.75 + -4x + -0.75 + x2 = 0 + -0.75 Reorder the terms: 0.75 + -0.75 + -4x + x2 = 0 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + -4x + x2 = 0 + -0.75 -4x + x2 = 0 + -0.75 Combine like terms: 0 + -0.75 = -0.75 -4x + x2 = -0.75 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = -0.75 + 4 Reorder the terms: 4 + -4x + x2 = -0.75 + 4 Combine like terms: -0.75 + 4 = 3.25 4 + -4x + x2 = 3.25 Factor a perfect square on the left side: (x + -2)(x + -2) = 3.25 Calculate the square root of the right side: 1.802775638 Break this problem into two subproblems by setting (x + -2) equal to 1.802775638 and -1.802775638.Subproblem 1
x + -2 = 1.802775638 Simplifying x + -2 = 1.802775638 Reorder the terms: -2 + x = 1.802775638 Solving -2 + x = 1.802775638 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 1.802775638 + 2 Combine like terms: -2 + 2 = 0 0 + x = 1.802775638 + 2 x = 1.802775638 + 2 Combine like terms: 1.802775638 + 2 = 3.802775638 x = 3.802775638 Simplifying x = 3.802775638Subproblem 2
x + -2 = -1.802775638 Simplifying x + -2 = -1.802775638 Reorder the terms: -2 + x = -1.802775638 Solving -2 + x = -1.802775638 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -1.802775638 + 2 Combine like terms: -2 + 2 = 0 0 + x = -1.802775638 + 2 x = -1.802775638 + 2 Combine like terms: -1.802775638 + 2 = 0.197224362 x = 0.197224362 Simplifying x = 0.197224362Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.802775638, 0.197224362}
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