5000 - 2784
2*n^3 + 8*n^2 + 7*n - 2
factorize
2x^3 + 20x^2 + 45x + 15
4x^3 + 24x^2 + 27x + 3
(x+3)/4+(x-1)/5
x^2 + 6*x + 3
x^3 + 8x^2 + 15x + 6
h(x) = 3/x + 2. Write down the equation of the axis of symmetry of h with a positive gradient.
2041（-3）80
