Let s be (-2 - -15) + ((-1023)/363 - 8). Factor -2/11*k**4 - 192/11*k - 128/11 - s*k**3 - 104/11*k**2.

Factor ⁶⁄₇*l2 - ³²⁄₂₁ - ⁴⁄₇*l - ²⁄₂₁*l3.

-2(l - 8)(l - 2)*(l + 1)/21

Let u = 1912 - ⁵⁷³⁵⁄₃. Let y(b) be the second derivative of ¹⁄₂₁*b7 + 0*b2 + 18*b + 0 - ¹⁄₅*b5 + u*b3 + 0*b6 + 0*b4. Factor y(p).

2p(p - 1)2*(p + 1)2

Let l(i) be the first derivative of i⁶⁄₄ - 3*i⁵⁄₁₀ - 3*i4 + 6*i3 + 711. Let l(j) = 0. What is j?

-3, 0, 2

Let o = -2 - -5. Suppose 4*a - 4*q - 16 = 4, -3*q + 13 = 4*a. Find f such that 12*f + a*f4 - 8 + 4*f2 - 11*fo - 5*f3 + 0*f3 + 4*f3 = 0.

-1, 1, 2

Let z(t) be the second derivative of -¹⁄₁₈₀*t6 - ⁷⁄₁₈*t3 - ¹⁄₆₀*t5 + ¹⁄₆*t4 + ⁵⁄₁₂*t**2 + 0 - 38*t. Find i, given that z(i) = 0.

-5, 1

Let r be -66*(⁶⁄₂ + (-155)/93). Let n = r - -90. Find b, given that 0 + 0*b + ³⁄₂*bn - ⁵⁄₂*b4 - b**3 = 0.

-1, 0, ³⁄₅

Let s be 48/(-80) + (-46)/(-10). Let j(k) be the first derivative of 0*k + ¹⁄₉*k3 + s + 0*k2. Factor j(x).

x**²⁄₃

Let k = 42 - 20. Suppose t = k - 18. Determine s, given that s3 - 3*st - 2*s - 2 + 2 + 31*s2 + s5 - 28*s**2 = 0.

-1, 0, 1, 2

Determine s so that 129*s2 - 21*s3 + 625 - 823 - 51*s + 9*s4 - 12*s4 = 0.

-11, -1, 2, 3

Let k(a) be the first derivative of ¹⁄₅*a5 + 0*a6 - ¹⁄₃*a3 + 4*a - ¹⁄₂₁*a7 + 0*a4 + 9 + 0*a2. Let i(y) be the first derivative of k(y). Factor i(o).

-2o(o - 1)2*(o + 1)2