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Simplifying -16x2 + 36 = -48x Reorder the terms: 36 + -16x2 = -48x Solving 36 + -16x2 = -48x Solving for variable 'x'. Reorder the terms: 36 + 48x + -16x2 = -48x + 48x Combine like terms: -48x + 48x = 0 36 + 48x + -16x2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(9 + 12x + -4x2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(9 + 12x + -4x2)' equal to zero and attempt to solve: Simplifying 9 + 12x + -4x2 = 0 Solving 9 + 12x + -4x2 = 0 Begin completing the square. Divide all terms by -4 the coefficient of the squared term: Divide each side by '-4'. -2.25 + -3x + x2 = 0 Move the constant term to the right: Add '2.25' to each side of the equation. -2.25 + -3x + 2.25 + x2 = 0 + 2.25 Reorder the terms: -2.25 + 2.25 + -3x + x2 = 0 + 2.25 Combine like terms: -2.25 + 2.25 = 0.00 0.00 + -3x + x2 = 0 + 2.25 -3x + x2 = 0 + 2.25 Combine like terms: 0 + 2.25 = 2.25 -3x + x2 = 2.25 The x term is -3x. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3x + 2.25 + x2 = 2.25 + 2.25 Reorder the terms: 2.25 + -3x + x2 = 2.25 + 2.25 Combine like terms: 2.25 + 2.25 = 4.5 2.25 + -3x + x2 = 4.5 Factor a perfect square on the left side: (x + -1.5)(x + -1.5) = 4.5 Calculate the square root of the right side: 2.121320344 Break this problem into two subproblems by setting (x + -1.5) equal to 2.121320344 and -2.121320344.Subproblem 1
x + -1.5 = 2.121320344 Simplifying x + -1.5 = 2.121320344 Reorder the terms: -1.5 + x = 2.121320344 Solving -1.5 + x = 2.121320344 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 2.121320344 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 2.121320344 + 1.5 x = 2.121320344 + 1.5 Combine like terms: 2.121320344 + 1.5 = 3.621320344 x = 3.621320344 Simplifying x = 3.621320344Subproblem 2
x + -1.5 = -2.121320344 Simplifying x + -1.5 = -2.121320344 Reorder the terms: -1.5 + x = -2.121320344 Solving -1.5 + x = -2.121320344 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -2.121320344 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -2.121320344 + 1.5 x = -2.121320344 + 1.5 Combine like terms: -2.121320344 + 1.5 = -0.621320344 x = -0.621320344 Simplifying x = -0.621320344Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.621320344, -0.621320344}Solution
x = {3.621320344, -0.621320344}
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