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Simplifying 0 = X3 + -3x2 + 7x + -5 Reorder the terms: 0 = -5 + X3 + 7x + -3x2 Solving 0 = -5 + X3 + 7x + -3x2 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1X3' to each side of the equation. 0 + -1X3 = -5 + X3 + 7x + -1X3 + -3x2 Remove the zero: -1X3 = -5 + X3 + 7x + -1X3 + -3x2 Reorder the terms: -1X3 = -5 + X3 + -1X3 + 7x + -3x2 Combine like terms: X3 + -1X3 = 0 -1X3 = -5 + 0 + 7x + -3x2 -1X3 = -5 + 7x + -3x2 Divide each side by '-1'. X3 = 5 + -7x + 3x2 Simplifying X3 = 5 + -7x + 3x2 Reorder the terms: -5 + X3 + 7x + -3x2 = 5 + -7x + 3x2 + -5 + 7x + -3x2 Reorder the terms: -5 + X3 + 7x + -3x2 = 5 + -5 + -7x + 7x + 3x2 + -3x2 Combine like terms: 5 + -5 = 0 -5 + X3 + 7x + -3x2 = 0 + -7x + 7x + 3x2 + -3x2 -5 + X3 + 7x + -3x2 = -7x + 7x + 3x2 + -3x2 Combine like terms: -7x + 7x = 0 -5 + X3 + 7x + -3x2 = 0 + 3x2 + -3x2 -5 + X3 + 7x + -3x2 = 3x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 -5 + X3 + 7x + -3x2 = 0 The solution to this equation could not be determined.
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