Let -2*h**4/13 + 112*h**3 - 11454*h**2/13 - 47520*h/13 = 0. What is h?

Find r, given that -r³⁄₃ - 1459*r2 + 266281*r/3 + 90219 = 0.

-4437, -1, 61

Determine v, given that -5*v**²⁄₃ + 4430060*v/3 - ^8860100⁄₃ = 0.

2, 886010

Determine v, given that 2*v3 - 17098*v2 - 1933792*v - 54321792 = 0.

-56, 8661

Find o, given that 5*o5 + 1690*o4 + 114225*o3 + 2133180*o2 - 2249100*o = 0.

-255, -42, 0, 1

Factor 25*z3 - 17254285*z2 + 6901711*z - 690171.

(z - 690171)*(5*z - 1)**2

Factor -3*b**²⁄₂ - 17700*b + 212616.

-3(b - 12)(b + 11812)/2

Solve 4*r**²⁄₃ - 19532*r + ^7262000⁄₃ = 0 for r.

125, 14524

Suppose 2*r⁵⁄₁₁ - 6580*r⁴⁄₁₁ + 851372*r³⁄₁₁ - 36810720*r²⁄₁₁ + 498283650*r/11 + 104611500 = 0. Calculate r.

-2, 45, 3157

Factor -4*i3 - 800064*i2 - 39999198708*i + 720244820808.

-4(i - 18)(i + 100017)**2

Suppose 4*c4 + 520*c3 - 34428*c**2 + 454480*c + 489424 = 0. What is c?

-181, -1, 26