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Simplifying (N + -1) * n(n + 1) = 3360 Reorder the terms: (-1 + N) * n(n + 1) = 3360 Reorder the terms: (-1 + N) * n(1 + n) = 3360 Reorder the terms for easier multiplication: n(-1 + N)(1 + n) = 3360 Multiply (-1 + N) * (1 + n) n(-1(1 + n) + N(1 + n)) = 3360 n((1 * -1 + n * -1) + N(1 + n)) = 3360 n((-1 + -1n) + N(1 + n)) = 3360 n(-1 + -1n + (1 * N + n * N)) = 3360 n(-1 + -1n + (1N + nN)) = 3360 Reorder the terms: n(-1 + 1N + -1n + nN) = 3360 n(-1 + 1N + -1n + nN) = 3360 (-1 * n + 1N * n + -1n * n + nN * n) = 3360 (-1n + 1nN + -1n2 + n2N) = 3360 Solving -1n + 1nN + -1n2 + n2N = 3360 Solving for variable 'n'. Reorder the terms: -3360 + -1n + 1nN + -1n2 + n2N = 3360 + -3360 Combine like terms: 3360 + -3360 = 0 -3360 + -1n + 1nN + -1n2 + n2N = 0 The solution to this equation could not be determined.
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