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Simplifying (3r2 + 4r + -1) + (-2r2 + -4r + 2) = 0 Reorder the terms: (-1 + 4r + 3r2) + (-2r2 + -4r + 2) = 0 Remove parenthesis around (-1 + 4r + 3r2) -1 + 4r + 3r2 + (-2r2 + -4r + 2) = 0 Reorder the terms: -1 + 4r + 3r2 + (2 + -4r + -2r2) = 0 Remove parenthesis around (2 + -4r + -2r2) -1 + 4r + 3r2 + 2 + -4r + -2r2 = 0 Reorder the terms: -1 + 2 + 4r + -4r + 3r2 + -2r2 = 0 Combine like terms: -1 + 2 = 1 1 + 4r + -4r + 3r2 + -2r2 = 0 Combine like terms: 4r + -4r = 0 1 + 0 + 3r2 + -2r2 = 0 1 + 3r2 + -2r2 = 0 Combine like terms: 3r2 + -2r2 = 1r2 1 + 1r2 = 0 Solving 1 + 1r2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 1r2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 1r2 = 0 + -1 1r2 = 0 + -1 Combine like terms: 0 + -1 = -1 1r2 = -1 Divide each side by '1'. r2 = -1 Simplifying r2 = -1 Reorder the terms: 1 + r2 = -1 + 1 Combine like terms: -1 + 1 = 0 1 + r2 = 0 The solution to this equation could not be determined.
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