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Simplifying 5(3x + -1) * 3(2x + -1) = 22 Reorder the terms: 5(-1 + 3x) * 3(2x + -1) = 22 Reorder the terms: 5(-1 + 3x) * 3(-1 + 2x) = 22 Reorder the terms for easier multiplication: 5 * 3(-1 + 3x)(-1 + 2x) = 22 Multiply 5 * 3 15(-1 + 3x)(-1 + 2x) = 22 Multiply (-1 + 3x) * (-1 + 2x) 15(-1(-1 + 2x) + 3x * (-1 + 2x)) = 22 15((-1 * -1 + 2x * -1) + 3x * (-1 + 2x)) = 22 15((1 + -2x) + 3x * (-1 + 2x)) = 22 15(1 + -2x + (-1 * 3x + 2x * 3x)) = 22 15(1 + -2x + (-3x + 6x2)) = 22 Combine like terms: -2x + -3x = -5x 15(1 + -5x + 6x2) = 22 (1 * 15 + -5x * 15 + 6x2 * 15) = 22 (15 + -75x + 90x2) = 22 Solving 15 + -75x + 90x2 = 22 Solving for variable 'x'. Reorder the terms: 15 + -22 + -75x + 90x2 = 22 + -22 Combine like terms: 15 + -22 = -7 -7 + -75x + 90x2 = 22 + -22 Combine like terms: 22 + -22 = 0 -7 + -75x + 90x2 = 0 Begin completing the square. Divide all terms by 90 the coefficient of the squared term: Divide each side by '90'. -0.07777777778 + -0.8333333333x + x2 = 0.0 Move the constant term to the right: Add '0.07777777778' to each side of the equation. -0.07777777778 + -0.8333333333x + 0.07777777778 + x2 = 0.0 + 0.07777777778 Reorder the terms: -0.07777777778 + 0.07777777778 + -0.8333333333x + x2 = 0.0 + 0.07777777778 Combine like terms: -0.07777777778 + 0.07777777778 = 0.00000000000 0.00000000000 + -0.8333333333x + x2 = 0.0 + 0.07777777778 -0.8333333333x + x2 = 0.0 + 0.07777777778 Combine like terms: 0.0 + 0.07777777778 = 0.07777777778 -0.8333333333x + x2 = 0.07777777778 The x term is -0.8333333333x. Take half its coefficient (-0.4166666667). Square it (0.1736111111) and add it to both sides. Add '0.1736111111' to each side of the equation. -0.8333333333x + 0.1736111111 + x2 = 0.07777777778 + 0.1736111111 Reorder the terms: 0.1736111111 + -0.8333333333x + x2 = 0.07777777778 + 0.1736111111 Combine like terms: 0.07777777778 + 0.1736111111 = 0.25138888888 0.1736111111 + -0.8333333333x + x2 = 0.25138888888 Factor a perfect square on the left side: (x + -0.4166666667)(x + -0.4166666667) = 0.25138888888 Calculate the square root of the right side: 0.501386965 Break this problem into two subproblems by setting (x + -0.4166666667) equal to 0.501386965 and -0.501386965.Subproblem 1
x + -0.4166666667 = 0.501386965 Simplifying x + -0.4166666667 = 0.501386965 Reorder the terms: -0.4166666667 + x = 0.501386965 Solving -0.4166666667 + x = 0.501386965 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4166666667' to each side of the equation. -0.4166666667 + 0.4166666667 + x = 0.501386965 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + x = 0.501386965 + 0.4166666667 x = 0.501386965 + 0.4166666667 Combine like terms: 0.501386965 + 0.4166666667 = 0.9180536317 x = 0.9180536317 Simplifying x = 0.9180536317Subproblem 2
x + -0.4166666667 = -0.501386965 Simplifying x + -0.4166666667 = -0.501386965 Reorder the terms: -0.4166666667 + x = -0.501386965 Solving -0.4166666667 + x = -0.501386965 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4166666667' to each side of the equation. -0.4166666667 + 0.4166666667 + x = -0.501386965 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + x = -0.501386965 + 0.4166666667 x = -0.501386965 + 0.4166666667 Combine like terms: -0.501386965 + 0.4166666667 = -0.0847202983 x = -0.0847202983 Simplifying x = -0.0847202983Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.9180536317, -0.0847202983}
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