Подстановка условия
[src]x^4 + 12*x^3 + 50*x^2 + 84*x + 45 при x = -1/2
x^4 + 12*x^3 + 50*x^2 + 84*x + 45
84x+50x2+x4+12x3+45 (-1/2)^4 + 12*(-1/2)^3 + 50*(-1/2)^2 + 84*(-1/2) + 45
84(−1/2)+50(−1/2)2+(−1/2)4+12(−1/2)3+45 (-1/2)^4 + 12*(-1/2)^3 + 50*(-1/2)^2 + 84*(-1)/2 + 45
2−84+12(−21)3+(−21)4+50(−21)2+45 16225