Решение уравнения (x+2)^2*(x^2+5*x+4)=a*(a-1)

(x+2)^2*(x^2+5*x+4)=a*(a-1) x1 = 1/2 sqrt((4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) + (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) + 19/12) - 1/2 sqrt(-(4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) - (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) - 9/(4 sqrt((4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) + (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) + 19/12)) + 19/6) - 9/4 x2 = 1/2 sqrt((4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) + (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) + 19/12) + 1/2 sqrt(-(4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) - (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) - 9/(4 sqrt((4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) + (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) + 19/12)) + 19/6) - 9/4 x3 = -1/2 sqrt((4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) + (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) + 19/12) - 1/2 sqrt(-(4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) - (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) + 9/(4 sqrt((4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) + (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) + 19/12)) + 19/6) - 9/4 x4 = -1/2 sqrt((4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) + (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) + 19/12) + 1/2 sqrt(-(4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) - (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) + 9/(4 sqrt((4 2^(1/3) (-3 a^2 + 3 a + 1))/(3 (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)) + (-171 a^2 + 3 sqrt(3) sqrt(256 a^6 - 768 a^5 + 1595 a^4 - 1910 a^3 + 1115 a^2 - 288 a) + 171 a - 16)^(1/3)/(3 2^(1/3)) + 19/12)) + 19/6) - 9/4