Let -32*r4⁄11 + 56016*r3⁄11 - 2192614*r**2 - 345940812*r/11 - 1220476418⁄11 = 0. Calculate r.

-7, 3529⁄4

Determine z, given that -2*z3⁄23 + 1276*z2 - 2977890*z/23 + 75803544⁄23 = 0.

51, 14572

Suppose 3*k**2 + 3909*k + 198750 = 0. What is k?

-1250, -53

What is o in 4*o4⁄7 - 4649*o3⁄7 + 1327938*o**2⁄7 + 13319780*o/7 + 21290552⁄7 = 0?

-31⁄4, -2, 586

What is p in 4*p**2⁄9 - 1617172*p/9 - 1617176⁄9 = 0?

-1, 404294

Let -98*j4 - 20193628*j3 - 1040255995178*j**2 + 594436942632*j - 84919798728 = 0. Calculate j.

-103029, 2⁄7

Suppose 2*l**2 - 308028*l - 2156294 = 0. What is l?

-7, 154021

Let 5284*u3 + 2959032*u2 + 414261120*u - 627200 = 0. Calculate u.

-280, 2⁄1321

Determine i so that -15*i4 - 44763*i3 - 1732347*i**2 - 2023329*i - 335730 = 0.

-2945, -38, -1, -1⁄5

Determine z, given that 10*z4⁄3 + 17026*z3⁄3 + 1370788*z**2⁄3 + 9336040*z - 3807888 = 0.

-1619, -42, 2⁄5