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Simplifying 5(x + 1) * 3(x + -2) = 17 Reorder the terms: 5(1 + x) * 3(x + -2) = 17 Reorder the terms: 5(1 + x) * 3(-2 + x) = 17 Reorder the terms for easier multiplication: 5 * 3(1 + x)(-2 + x) = 17 Multiply 5 * 3 15(1 + x)(-2 + x) = 17 Multiply (1 + x) * (-2 + x) 15(1(-2 + x) + x(-2 + x)) = 17 15((-2 * 1 + x * 1) + x(-2 + x)) = 17 15((-2 + 1x) + x(-2 + x)) = 17 15(-2 + 1x + (-2 * x + x * x)) = 17 15(-2 + 1x + (-2x + x2)) = 17 Combine like terms: 1x + -2x = -1x 15(-2 + -1x + x2) = 17 (-2 * 15 + -1x * 15 + x2 * 15) = 17 (-30 + -15x + 15x2) = 17 Solving -30 + -15x + 15x2 = 17 Solving for variable 'x'. Reorder the terms: -30 + -17 + -15x + 15x2 = 17 + -17 Combine like terms: -30 + -17 = -47 -47 + -15x + 15x2 = 17 + -17 Combine like terms: 17 + -17 = 0 -47 + -15x + 15x2 = 0 Begin completing the square. Divide all terms by 15 the coefficient of the squared term: Divide each side by '15'. -3.133333333 + -1x + x2 = 0 Move the constant term to the right: Add '3.133333333' to each side of the equation. -3.133333333 + -1x + 3.133333333 + x2 = 0 + 3.133333333 Reorder the terms: -3.133333333 + 3.133333333 + -1x + x2 = 0 + 3.133333333 Combine like terms: -3.133333333 + 3.133333333 = 0.000000000 0.000000000 + -1x + x2 = 0 + 3.133333333 -1x + x2 = 0 + 3.133333333 Combine like terms: 0 + 3.133333333 = 3.133333333 -1x + x2 = 3.133333333 The x term is -1x. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1x + 0.25 + x2 = 3.133333333 + 0.25 Reorder the terms: 0.25 + -1x + x2 = 3.133333333 + 0.25 Combine like terms: 3.133333333 + 0.25 = 3.383333333 0.25 + -1x + x2 = 3.383333333 Factor a perfect square on the left side: (x + -0.5)(x + -0.5) = 3.383333333 Calculate the square root of the right side: 1.839383955 Break this problem into two subproblems by setting (x + -0.5) equal to 1.839383955 and -1.839383955.Subproblem 1
x + -0.5 = 1.839383955 Simplifying x + -0.5 = 1.839383955 Reorder the terms: -0.5 + x = 1.839383955 Solving -0.5 + x = 1.839383955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 1.839383955 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 1.839383955 + 0.5 x = 1.839383955 + 0.5 Combine like terms: 1.839383955 + 0.5 = 2.339383955 x = 2.339383955 Simplifying x = 2.339383955Subproblem 2
x + -0.5 = -1.839383955 Simplifying x + -0.5 = -1.839383955 Reorder the terms: -0.5 + x = -1.839383955 Solving -0.5 + x = -1.839383955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -1.839383955 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -1.839383955 + 0.5 x = -1.839383955 + 0.5 Combine like terms: -1.839383955 + 0.5 = -1.339383955 x = -1.339383955 Simplifying x = -1.339383955Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.339383955, -1.339383955}
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