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Simplifying (R + 7)(r + 2) = 0 Reorder the terms: (7 + R)(r + 2) = 0 Reorder the terms: (7 + R)(2 + r) = 0 Multiply (7 + R) * (2 + r) (7(2 + r) + R(2 + r)) = 0 ((2 * 7 + r * 7) + R(2 + r)) = 0 ((14 + 7r) + R(2 + r)) = 0 (14 + 7r + (2 * R + r * R)) = 0 (14 + 7r + (2R + rR)) = 0 Reorder the terms: (14 + 2R + 7r + rR) = 0 (14 + 2R + 7r + rR) = 0 Solving 14 + 2R + 7r + rR = 0 Solving for variable 'R'. Move all terms containing R to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + 2R + 7r + -14 + rR = 0 + -14 Reorder the terms: 14 + -14 + 2R + 7r + rR = 0 + -14 Combine like terms: 14 + -14 = 0 0 + 2R + 7r + rR = 0 + -14 2R + 7r + rR = 0 + -14 Combine like terms: 0 + -14 = -14 2R + 7r + rR = -14 Add '-7r' to each side of the equation. 2R + 7r + -7r + rR = -14 + -7r Combine like terms: 7r + -7r = 0 2R + 0 + rR = -14 + -7r 2R + rR = -14 + -7r Reorder the terms: 14 + 2R + 7r + rR = -14 + -7r + 14 + 7r Reorder the terms: 14 + 2R + 7r + rR = -14 + 14 + -7r + 7r Combine like terms: -14 + 14 = 0 14 + 2R + 7r + rR = 0 + -7r + 7r 14 + 2R + 7r + rR = -7r + 7r Combine like terms: -7r + 7r = 0 14 + 2R + 7r + rR = 0 The solution to this equation could not be determined.
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