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Simplifying x3 + -7X2 + 11x + -15 = 0 Reorder the terms: -15 + -7X2 + 11x + x3 = 0 Solving -15 + -7X2 + 11x + x3 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '15' to each side of the equation. -15 + -7X2 + 11x + 15 + x3 = 0 + 15 Reorder the terms: -15 + 15 + -7X2 + 11x + x3 = 0 + 15 Combine like terms: -15 + 15 = 0 0 + -7X2 + 11x + x3 = 0 + 15 -7X2 + 11x + x3 = 0 + 15 Combine like terms: 0 + 15 = 15 -7X2 + 11x + x3 = 15 Add '-11x' to each side of the equation. -7X2 + 11x + -11x + x3 = 15 + -11x Combine like terms: 11x + -11x = 0 -7X2 + 0 + x3 = 15 + -11x -7X2 + x3 = 15 + -11x Add '-1x3' to each side of the equation. -7X2 + x3 + -1x3 = 15 + -11x + -1x3 Combine like terms: x3 + -1x3 = 0 -7X2 + 0 = 15 + -11x + -1x3 -7X2 = 15 + -11x + -1x3 Divide each side by '-7'. X2 = -2.142857143 + 1.571428571x + 0.1428571429x3 Simplifying X2 = -2.142857143 + 1.571428571x + 0.1428571429x3 Reorder the terms: 2.142857143 + X2 + -1.571428571x + -0.1428571429x3 = -2.142857143 + 1.571428571x + 0.1428571429x3 + 2.142857143 + -1.571428571x + -0.1428571429x3 Reorder the terms: 2.142857143 + X2 + -1.571428571x + -0.1428571429x3 = -2.142857143 + 2.142857143 + 1.571428571x + -1.571428571x + 0.1428571429x3 + -0.1428571429x3 Combine like terms: -2.142857143 + 2.142857143 = 0.000000000 2.142857143 + X2 + -1.571428571x + -0.1428571429x3 = 0.000000000 + 1.571428571x + -1.571428571x + 0.1428571429x3 + -0.1428571429x3 2.142857143 + X2 + -1.571428571x + -0.1428571429x3 = 1.571428571x + -1.571428571x + 0.1428571429x3 + -0.1428571429x3 Combine like terms: 1.571428571x + -1.571428571x = 0.000000000 2.142857143 + X2 + -1.571428571x + -0.1428571429x3 = 0.000000000 + 0.1428571429x3 + -0.1428571429x3 2.142857143 + X2 + -1.571428571x + -0.1428571429x3 = 0.1428571429x3 + -0.1428571429x3 Combine like terms: 0.1428571429x3 + -0.1428571429x3 = 0.0000000000 2.142857143 + X2 + -1.571428571x + -0.1428571429x3 = 0.0000000000 The solution to this equation could not be determined.
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