Решите уравнение y(y+3)(y-3)-2y(y+4)^2=3-y^3-16y^2

Question

Решите уравнение y(y+3)(y-3)-2y(y+4)^2=3-y^3-16y^2

Answer 1

Y(y²-9)-2y(y²+8y+16)+y³+16y²=3
y³-9y-2y³-16y²-32y+y³+16y²=3
-41y=3
y=-3/41