Decades: 0s BC - 0s - 10s - 20s - 30s - 40s - 50s - 60s - 70s - 80s - 90s - 100s

77 78 79 80 81 82 83 84 85 86 87

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... -1 \\ 1 & 1-x & 0 \\ -1 & 0 & 1-x \end{bmatrix} </math> <math> = -x^3 + 2x^2 + x - 2\ </math> and because of <math>p(x) = -(x ...