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Simplifying (X2 + 9x + -3) + (5x2 + -7x + -4) + (2x2 + x + 1) = 0 Reorder the terms: (-3 + X2 + 9x) + (5x2 + -7x + -4) + (2x2 + x + 1) = 0 Remove parenthesis around (-3 + X2 + 9x) -3 + X2 + 9x + (5x2 + -7x + -4) + (2x2 + x + 1) = 0 Reorder the terms: -3 + X2 + 9x + (-4 + -7x + 5x2) + (2x2 + x + 1) = 0 Remove parenthesis around (-4 + -7x + 5x2) -3 + X2 + 9x + -4 + -7x + 5x2 + (2x2 + x + 1) = 0 Reorder the terms: -3 + X2 + 9x + -4 + -7x + 5x2 + (1 + x + 2x2) = 0 Remove parenthesis around (1 + x + 2x2) -3 + X2 + 9x + -4 + -7x + 5x2 + 1 + x + 2x2 = 0 Reorder the terms: -3 + -4 + 1 + X2 + 9x + -7x + x + 5x2 + 2x2 = 0 Combine like terms: -3 + -4 = -7 -7 + 1 + X2 + 9x + -7x + x + 5x2 + 2x2 = 0 Combine like terms: -7 + 1 = -6 -6 + X2 + 9x + -7x + x + 5x2 + 2x2 = 0 Combine like terms: 9x + -7x = 2x -6 + X2 + 2x + x + 5x2 + 2x2 = 0 Combine like terms: 2x + x = 3x -6 + X2 + 3x + 5x2 + 2x2 = 0 Combine like terms: 5x2 + 2x2 = 7x2 -6 + X2 + 3x + 7x2 = 0 Solving -6 + X2 + 3x + 7x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '6' to each side of the equation. -6 + X2 + 3x + 6 + 7x2 = 0 + 6 Reorder the terms: -6 + 6 + X2 + 3x + 7x2 = 0 + 6 Combine like terms: -6 + 6 = 0 0 + X2 + 3x + 7x2 = 0 + 6 X2 + 3x + 7x2 = 0 + 6 Combine like terms: 0 + 6 = 6 X2 + 3x + 7x2 = 6 Add '-3x' to each side of the equation. X2 + 3x + -3x + 7x2 = 6 + -3x Combine like terms: 3x + -3x = 0 X2 + 0 + 7x2 = 6 + -3x X2 + 7x2 = 6 + -3x Add '-7x2' to each side of the equation. X2 + 7x2 + -7x2 = 6 + -3x + -7x2 Combine like terms: 7x2 + -7x2 = 0 X2 + 0 = 6 + -3x + -7x2 X2 = 6 + -3x + -7x2 Simplifying X2 = 6 + -3x + -7x2 Reorder the terms: -6 + X2 + 3x + 7x2 = 6 + -3x + -7x2 + -6 + 3x + 7x2 Reorder the terms: -6 + X2 + 3x + 7x2 = 6 + -6 + -3x + 3x + -7x2 + 7x2 Combine like terms: 6 + -6 = 0 -6 + X2 + 3x + 7x2 = 0 + -3x + 3x + -7x2 + 7x2 -6 + X2 + 3x + 7x2 = -3x + 3x + -7x2 + 7x2 Combine like terms: -3x + 3x = 0 -6 + X2 + 3x + 7x2 = 0 + -7x2 + 7x2 -6 + X2 + 3x + 7x2 = -7x2 + 7x2 Combine like terms: -7x2 + 7x2 = 0 -6 + X2 + 3x + 7x2 = 0 The solution to this equation could not be determined.
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