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Simplifying (2r + 3)(5r2 + 3r + -2) = 0 Reorder the terms: (3 + 2r)(5r2 + 3r + -2) = 0 Reorder the terms: (3 + 2r)(-2 + 3r + 5r2) = 0 Multiply (3 + 2r) * (-2 + 3r + 5r2) (3(-2 + 3r + 5r2) + 2r * (-2 + 3r + 5r2)) = 0 ((-2 * 3 + 3r * 3 + 5r2 * 3) + 2r * (-2 + 3r + 5r2)) = 0 ((-6 + 9r + 15r2) + 2r * (-2 + 3r + 5r2)) = 0 (-6 + 9r + 15r2 + (-2 * 2r + 3r * 2r + 5r2 * 2r)) = 0 (-6 + 9r + 15r2 + (-4r + 6r2 + 10r3)) = 0 Reorder the terms: (-6 + 9r + -4r + 15r2 + 6r2 + 10r3) = 0 Combine like terms: 9r + -4r = 5r (-6 + 5r + 15r2 + 6r2 + 10r3) = 0 Combine like terms: 15r2 + 6r2 = 21r2 (-6 + 5r + 21r2 + 10r3) = 0 Solving -6 + 5r + 21r2 + 10r3 = 0 Solving for variable 'r'. The solution to this equation could not be determined.
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