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