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Simplifying x2 + -0.6x + -2.9 = 0 Reorder the terms: -2.9 + -0.6x + x2 = 0 Solving -2.9 + -0.6x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '2.9' to each side of the equation. -2.9 + -0.6x + 2.9 + x2 = 0 + 2.9 Reorder the terms: -2.9 + 2.9 + -0.6x + x2 = 0 + 2.9 Combine like terms: -2.9 + 2.9 = 0.0 0.0 + -0.6x + x2 = 0 + 2.9 -0.6x + x2 = 0 + 2.9 Combine like terms: 0 + 2.9 = 2.9 -0.6x + x2 = 2.9 The x term is -0.6x. Take half its coefficient (-0.3). Square it (0.09) and add it to both sides. Add '0.09' to each side of the equation. -0.6x + 0.09 + x2 = 2.9 + 0.09 Reorder the terms: 0.09 + -0.6x + x2 = 2.9 + 0.09 Combine like terms: 2.9 + 0.09 = 2.99 0.09 + -0.6x + x2 = 2.99 Factor a perfect square on the left side: (x + -0.3)(x + -0.3) = 2.99 Calculate the square root of the right side: 1.729161647 Break this problem into two subproblems by setting (x + -0.3) equal to 1.729161647 and -1.729161647.Subproblem 1
x + -0.3 = 1.729161647 Simplifying x + -0.3 = 1.729161647 Reorder the terms: -0.3 + x = 1.729161647 Solving -0.3 + x = 1.729161647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3' to each side of the equation. -0.3 + 0.3 + x = 1.729161647 + 0.3 Combine like terms: -0.3 + 0.3 = 0.0 0.0 + x = 1.729161647 + 0.3 x = 1.729161647 + 0.3 Combine like terms: 1.729161647 + 0.3 = 2.029161647 x = 2.029161647 Simplifying x = 2.029161647Subproblem 2
x + -0.3 = -1.729161647 Simplifying x + -0.3 = -1.729161647 Reorder the terms: -0.3 + x = -1.729161647 Solving -0.3 + x = -1.729161647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3' to each side of the equation. -0.3 + 0.3 + x = -1.729161647 + 0.3 Combine like terms: -0.3 + 0.3 = 0.0 0.0 + x = -1.729161647 + 0.3 x = -1.729161647 + 0.3 Combine like terms: -1.729161647 + 0.3 = -1.429161647 x = -1.429161647 Simplifying x = -1.429161647Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.029161647, -1.429161647}
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