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Simplifying (5r)(-2) * r = 3 Remove parenthesis around (5r) 5r(-2) * r = 3 Reorder the terms for easier multiplication: 5 * -2r * r = 3 Multiply 5 * -2 -10r * r = 3 Multiply r * r -10r2 = 3 Solving -10r2 = 3 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Divide each side by '-10'. r2 = -0.3 Simplifying r2 = -0.3 Reorder the terms: 0.3 + r2 = -0.3 + 0.3 Combine like terms: -0.3 + 0.3 = 0.0 0.3 + r2 = 0.0 The solution to this equation could not be determined.
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