Factor -420*z**2 + 221728*z + 16896.

-4(z - 528)(105*z + 8)

Let -2*l**2⁄5 + 1994368*l/5 - 5983086⁄5 = 0. What is l?

3, 997181

Let 4*o4⁄7 + 326*o3⁄7 - 35204*o**2⁄7 + 238794*o/7 + 62640 = 0. What is o?

-145, -3⁄2, 9, 56

Factor -5*i**2 - 1495*i + 567210.

-5(i - 219)(i + 518)

Determine a, given that -a5⁄2 - 291833*a4⁄2 - 21292354523*a3⁄2 - 106450683223*a2⁄2 + 138389798676*a - 74518133886 = 0.

-145914, -7, 1

Factor 4*l**2 - 8760320*l.

4l(l - 2190080)

Find u, given that -u**2⁄4 - 1920622*u - 3688788866884 = 0.

-3841244

Solve -x**2⁄4 - 705*x/4 + 164673⁄2 = 0 for x.

-1026, 321

Find o such that -o4 - 37*o3 + 26188*o**2 + 79180*o - 262800 = 0.

-180, -5, 2, 146

Factor 84*w3 - 830927*w2⁄2 + 513718763*w + 6115729⁄2.

(w - 2473)*2(168*w + 1)/2