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Simplifying 6(3x + -4)(5x + -3) = -4 + -2 Reorder the terms: 6(-4 + 3x)(5x + -3) = -4 + -2 Reorder the terms: 6(-4 + 3x)(-3 + 5x) = -4 + -2 Multiply (-4 + 3x) * (-3 + 5x) 6(-4(-3 + 5x) + 3x * (-3 + 5x)) = -4 + -2 6((-3 * -4 + 5x * -4) + 3x * (-3 + 5x)) = -4 + -2 6((12 + -20x) + 3x * (-3 + 5x)) = -4 + -2 6(12 + -20x + (-3 * 3x + 5x * 3x)) = -4 + -2 6(12 + -20x + (-9x + 15x2)) = -4 + -2 Combine like terms: -20x + -9x = -29x 6(12 + -29x + 15x2) = -4 + -2 (12 * 6 + -29x * 6 + 15x2 * 6) = -4 + -2 (72 + -174x + 90x2) = -4 + -2 Combine like terms: -4 + -2 = -6 72 + -174x + 90x2 = -6 Solving 72 + -174x + 90x2 = -6 Solving for variable 'x'. Reorder the terms: 72 + 6 + -174x + 90x2 = -6 + 6 Combine like terms: 72 + 6 = 78 78 + -174x + 90x2 = -6 + 6 Combine like terms: -6 + 6 = 0 78 + -174x + 90x2 = 0 Factor out the Greatest Common Factor (GCF), '6'. 6(13 + -29x + 15x2) = 0 Ignore the factor 6.Subproblem 1
Set the factor '(13 + -29x + 15x2)' equal to zero and attempt to solve: Simplifying 13 + -29x + 15x2 = 0 Solving 13 + -29x + 15x2 = 0 Begin completing the square. Divide all terms by 15 the coefficient of the squared term: Divide each side by '15'. 0.8666666667 + -1.933333333x + x2 = 0 Move the constant term to the right: Add '-0.8666666667' to each side of the equation. 0.8666666667 + -1.933333333x + -0.8666666667 + x2 = 0 + -0.8666666667 Reorder the terms: 0.8666666667 + -0.8666666667 + -1.933333333x + x2 = 0 + -0.8666666667 Combine like terms: 0.8666666667 + -0.8666666667 = 0.0000000000 0.0000000000 + -1.933333333x + x2 = 0 + -0.8666666667 -1.933333333x + x2 = 0 + -0.8666666667 Combine like terms: 0 + -0.8666666667 = -0.8666666667 -1.933333333x + x2 = -0.8666666667 The x term is -1.933333333x. Take half its coefficient (-0.9666666665). Square it (0.9344444441) and add it to both sides. Add '0.9344444441' to each side of the equation. -1.933333333x + 0.9344444441 + x2 = -0.8666666667 + 0.9344444441 Reorder the terms: 0.9344444441 + -1.933333333x + x2 = -0.8666666667 + 0.9344444441 Combine like terms: -0.8666666667 + 0.9344444441 = 0.0677777774 0.9344444441 + -1.933333333x + x2 = 0.0677777774 Factor a perfect square on the left side: (x + -0.9666666665)(x + -0.9666666665) = 0.0677777774 Calculate the square root of the right side: 0.260341655 Break this problem into two subproblems by setting (x + -0.9666666665) equal to 0.260341655 and -0.260341655.Subproblem 1
x + -0.9666666665 = 0.260341655 Simplifying x + -0.9666666665 = 0.260341655 Reorder the terms: -0.9666666665 + x = 0.260341655 Solving -0.9666666665 + x = 0.260341655 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9666666665' to each side of the equation. -0.9666666665 + 0.9666666665 + x = 0.260341655 + 0.9666666665 Combine like terms: -0.9666666665 + 0.9666666665 = 0.0000000000 0.0000000000 + x = 0.260341655 + 0.9666666665 x = 0.260341655 + 0.9666666665 Combine like terms: 0.260341655 + 0.9666666665 = 1.2270083215 x = 1.2270083215 Simplifying x = 1.2270083215Subproblem 2
x + -0.9666666665 = -0.260341655 Simplifying x + -0.9666666665 = -0.260341655 Reorder the terms: -0.9666666665 + x = -0.260341655 Solving -0.9666666665 + x = -0.260341655 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9666666665' to each side of the equation. -0.9666666665 + 0.9666666665 + x = -0.260341655 + 0.9666666665 Combine like terms: -0.9666666665 + 0.9666666665 = 0.0000000000 0.0000000000 + x = -0.260341655 + 0.9666666665 x = -0.260341655 + 0.9666666665 Combine like terms: -0.260341655 + 0.9666666665 = 0.7063250115 x = 0.7063250115 Simplifying x = 0.7063250115Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.2270083215, 0.7063250115}Solution
x = {1.2270083215, 0.7063250115}
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