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Simplifying P(n) = n2 + -9n + 20 Multiply P * n nP = n2 + -9n + 20 Reorder the terms: nP = 20 + -9n + n2 Solving nP = 20 + -9n + n2 Solving for variable 'n'. Reorder the terms: -20 + 9n + nP + -1n2 = 20 + -9n + n2 + -20 + 9n + -1n2 Reorder the terms: -20 + 9n + nP + -1n2 = 20 + -20 + -9n + 9n + n2 + -1n2 Combine like terms: 20 + -20 = 0 -20 + 9n + nP + -1n2 = 0 + -9n + 9n + n2 + -1n2 -20 + 9n + nP + -1n2 = -9n + 9n + n2 + -1n2 Combine like terms: -9n + 9n = 0 -20 + 9n + nP + -1n2 = 0 + n2 + -1n2 -20 + 9n + nP + -1n2 = n2 + -1n2 Combine like terms: n2 + -1n2 = 0 -20 + 9n + nP + -1n2 = 0 The solution to this equation could not be determined.
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