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Simplifying (R + 3)(r + 4) = 0 Reorder the terms: (3 + R)(r + 4) = 0 Reorder the terms: (3 + R)(4 + r) = 0 Multiply (3 + R) * (4 + r) (3(4 + r) + R(4 + r)) = 0 ((4 * 3 + r * 3) + R(4 + r)) = 0 ((12 + 3r) + R(4 + r)) = 0 (12 + 3r + (4 * R + r * R)) = 0 (12 + 3r + (4R + rR)) = 0 Reorder the terms: (12 + 4R + 3r + rR) = 0 (12 + 4R + 3r + rR) = 0 Solving 12 + 4R + 3r + rR = 0 Solving for variable 'R'. Move all terms containing R to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + 4R + 3r + -12 + rR = 0 + -12 Reorder the terms: 12 + -12 + 4R + 3r + rR = 0 + -12 Combine like terms: 12 + -12 = 0 0 + 4R + 3r + rR = 0 + -12 4R + 3r + rR = 0 + -12 Combine like terms: 0 + -12 = -12 4R + 3r + rR = -12 Add '-3r' to each side of the equation. 4R + 3r + -3r + rR = -12 + -3r Combine like terms: 3r + -3r = 0 4R + 0 + rR = -12 + -3r 4R + rR = -12 + -3r Reorder the terms: 12 + 4R + 3r + rR = -12 + -3r + 12 + 3r Reorder the terms: 12 + 4R + 3r + rR = -12 + 12 + -3r + 3r Combine like terms: -12 + 12 = 0 12 + 4R + 3r + rR = 0 + -3r + 3r 12 + 4R + 3r + rR = -3r + 3r Combine like terms: -3r + 3r = 0 12 + 4R + 3r + rR = 0 The solution to this equation could not be determined.
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