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Simplifying (-1x + -3)(3x + -3) = 4 Reorder the terms: (-3 + -1x)(3x + -3) = 4 Reorder the terms: (-3 + -1x)(-3 + 3x) = 4 Multiply (-3 + -1x) * (-3 + 3x) (-3(-3 + 3x) + -1x * (-3 + 3x)) = 4 ((-3 * -3 + 3x * -3) + -1x * (-3 + 3x)) = 4 ((9 + -9x) + -1x * (-3 + 3x)) = 4 (9 + -9x + (-3 * -1x + 3x * -1x)) = 4 (9 + -9x + (3x + -3x2)) = 4 Combine like terms: -9x + 3x = -6x (9 + -6x + -3x2) = 4 Solving 9 + -6x + -3x2 = 4 Solving for variable 'x'. Reorder the terms: 9 + -4 + -6x + -3x2 = 4 + -4 Combine like terms: 9 + -4 = 5 5 + -6x + -3x2 = 4 + -4 Combine like terms: 4 + -4 = 0 5 + -6x + -3x2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -1.666666667 + 2x + x2 = 0 Move the constant term to the right: Add '1.666666667' to each side of the equation. -1.666666667 + 2x + 1.666666667 + x2 = 0 + 1.666666667 Reorder the terms: -1.666666667 + 1.666666667 + 2x + x2 = 0 + 1.666666667 Combine like terms: -1.666666667 + 1.666666667 = 0.000000000 0.000000000 + 2x + x2 = 0 + 1.666666667 2x + x2 = 0 + 1.666666667 Combine like terms: 0 + 1.666666667 = 1.666666667 2x + x2 = 1.666666667 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = 1.666666667 + 1 Reorder the terms: 1 + 2x + x2 = 1.666666667 + 1 Combine like terms: 1.666666667 + 1 = 2.666666667 1 + 2x + x2 = 2.666666667 Factor a perfect square on the left side: (x + 1)(x + 1) = 2.666666667 Calculate the square root of the right side: 1.632993162 Break this problem into two subproblems by setting (x + 1) equal to 1.632993162 and -1.632993162.Subproblem 1
x + 1 = 1.632993162 Simplifying x + 1 = 1.632993162 Reorder the terms: 1 + x = 1.632993162 Solving 1 + x = 1.632993162 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 1.632993162 + -1 Combine like terms: 1 + -1 = 0 0 + x = 1.632993162 + -1 x = 1.632993162 + -1 Combine like terms: 1.632993162 + -1 = 0.632993162 x = 0.632993162 Simplifying x = 0.632993162Subproblem 2
x + 1 = -1.632993162 Simplifying x + 1 = -1.632993162 Reorder the terms: 1 + x = -1.632993162 Solving 1 + x = -1.632993162 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -1.632993162 + -1 Combine like terms: 1 + -1 = 0 0 + x = -1.632993162 + -1 x = -1.632993162 + -1 Combine like terms: -1.632993162 + -1 = -2.632993162 x = -2.632993162 Simplifying x = -2.632993162Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.632993162, -2.632993162}
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