Suppose -210*h4 + 1440092*h3 + 19361326*h**2 + 7915288*h + 714584 = 0. What is h?

-13, -2⁄7, -2⁄15, 6871

Factor 5*d**2 + 2390620*d + 9562400.

5(d + 4)(d + 478120)

Solve -4*u**2⁄7 - 21964*u/7 - 613408 = 0 for u.

-5288, -203

Let 3*o4 + 76605*o3 + 76572*o**2 - 765996*o + 612816 = 0. Calculate o.

-25534, -4, 1, 2

Factor -d**2 - 13097*d + 1266528.

-(d - 96)*(d + 13193)

Factor -2*i3⁄15 + 130198*i2⁄3 - 52972521014*i/15 - 52974474002⁄5.

-2*(i - 162749)*2(i + 3)/15

Determine u, given that -2*u4⁄9 + 488*u3⁄9 + 66154*u**2⁄9 = 0.

-97, 0, 341

Factor -5*n**2⁄4 - 7936565*n/2 + 15873135⁄4.

-5(n - 1)(n + 3174627)/4

Let -2*z4⁄5 + 1722*z3⁄5 - 4398*z**2 - 49154*z/5 - 5088 = 0. What is z?

-1, 15, 848

Solve 2*t5⁄17 - 334*t4⁄17 - 31210*t3⁄17 + 184150*t2 + 313808000*t/17 + 6659840000⁄17 = 0.

-55, -43, 160