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Simplifying -3x2 + -11x + 5 = -4x + 6 Reorder the terms: 5 + -11x + -3x2 = -4x + 6 Reorder the terms: 5 + -11x + -3x2 = 6 + -4x Solving 5 + -11x + -3x2 = 6 + -4x Solving for variable 'x'. Reorder the terms: 5 + -6 + -11x + 4x + -3x2 = 6 + -4x + -6 + 4x Combine like terms: 5 + -6 = -1 -1 + -11x + 4x + -3x2 = 6 + -4x + -6 + 4x Combine like terms: -11x + 4x = -7x -1 + -7x + -3x2 = 6 + -4x + -6 + 4x Reorder the terms: -1 + -7x + -3x2 = 6 + -6 + -4x + 4x Combine like terms: 6 + -6 = 0 -1 + -7x + -3x2 = 0 + -4x + 4x -1 + -7x + -3x2 = -4x + 4x Combine like terms: -4x + 4x = 0 -1 + -7x + -3x2 = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(1 + 7x + 3x2) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(1 + 7x + 3x2)' equal to zero and attempt to solve: Simplifying 1 + 7x + 3x2 = 0 Solving 1 + 7x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 0.3333333333 + 2.333333333x + x2 = 0 Move the constant term to the right: Add '-0.3333333333' to each side of the equation. 0.3333333333 + 2.333333333x + -0.3333333333 + x2 = 0 + -0.3333333333 Reorder the terms: 0.3333333333 + -0.3333333333 + 2.333333333x + x2 = 0 + -0.3333333333 Combine like terms: 0.3333333333 + -0.3333333333 = 0.0000000000 0.0000000000 + 2.333333333x + x2 = 0 + -0.3333333333 2.333333333x + x2 = 0 + -0.3333333333 Combine like terms: 0 + -0.3333333333 = -0.3333333333 2.333333333x + x2 = -0.3333333333 The x term is 2.333333333x. Take half its coefficient (1.166666667). Square it (1.361111112) and add it to both sides. Add '1.361111112' to each side of the equation. 2.333333333x + 1.361111112 + x2 = -0.3333333333 + 1.361111112 Reorder the terms: 1.361111112 + 2.333333333x + x2 = -0.3333333333 + 1.361111112 Combine like terms: -0.3333333333 + 1.361111112 = 1.0277777787 1.361111112 + 2.333333333x + x2 = 1.0277777787 Factor a perfect square on the left side: (x + 1.166666667)(x + 1.166666667) = 1.0277777787 Calculate the square root of the right side: 1.013793756 Break this problem into two subproblems by setting (x + 1.166666667) equal to 1.013793756 and -1.013793756.Subproblem 1
x + 1.166666667 = 1.013793756 Simplifying x + 1.166666667 = 1.013793756 Reorder the terms: 1.166666667 + x = 1.013793756 Solving 1.166666667 + x = 1.013793756 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.166666667' to each side of the equation. 1.166666667 + -1.166666667 + x = 1.013793756 + -1.166666667 Combine like terms: 1.166666667 + -1.166666667 = 0.000000000 0.000000000 + x = 1.013793756 + -1.166666667 x = 1.013793756 + -1.166666667 Combine like terms: 1.013793756 + -1.166666667 = -0.152872911 x = -0.152872911 Simplifying x = -0.152872911Subproblem 2
x + 1.166666667 = -1.013793756 Simplifying x + 1.166666667 = -1.013793756 Reorder the terms: 1.166666667 + x = -1.013793756 Solving 1.166666667 + x = -1.013793756 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.166666667' to each side of the equation. 1.166666667 + -1.166666667 + x = -1.013793756 + -1.166666667 Combine like terms: 1.166666667 + -1.166666667 = 0.000000000 0.000000000 + x = -1.013793756 + -1.166666667 x = -1.013793756 + -1.166666667 Combine like terms: -1.013793756 + -1.166666667 = -2.180460423 x = -2.180460423 Simplifying x = -2.180460423Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.152872911, -2.180460423}Solution
x = {-0.152872911, -2.180460423}
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