Find c such that -12/5*c + 63/5 - 3/5*c**2 = 0.

Let v(y) = -14*y3 + 30*y2 - 10*y + 12. Let b(h) = -5*h3 + 10*h2 - 3*h + 6. Let t(m) = -11*b(m) + 4*v(m). Let t(f) = 0. Calculate f.

-1, 2, 9

Let l = -100 - -140. Solve -l*f5 + 17*f5 + 3*f + 12*f5 - 3*f4 - 3 - 6*f3 + 6*f2 + 14*f**5 = 0.

-1, 1

Let q(f) = 15*f3 + 475*f2 - 17985*f + 17415. Let x(w) = 2*w3 - 12*w2 + w + 1. Let p(b) = q(b) - 10*x(b). Factor p(m).

-5*(m - 59)*2(m - 1)

Let z be -43 + 44 - 1*-5. Let s be z/2 - (-483)/(-189). Solve ⁴⁄₉*b3 - ⁴⁄₉ - ⁴⁄₉*b + s*b2 = 0 for b.

-1, 1

Suppose -4f = -2 + 14. Let p be 2/f-3*2. Determine i so that 140*i3 + 120*ip + i + 32*i5 - 30*i2 + 90*i**2 + 7*i = 0.

-2, -1, -¹⁄₂, -¹⁄₄, 0

Factor -⁴⁹⁵⁄₂ - ³⁄₂*i**2 + 87*i.

-3(i - 55)(i - 3)/2

Let f(w) = 80*w2 + 485*w - 55. Let s(a) = 247 + 18*a + 245 - 494 + 3*a2. Let g be (³⁄₃)/(¹⁄₅₅). Let y(d) = g*s(d) - 2*f(d). What is r in y® = 0?

-4, 0

Let s(o) be the first derivative of o⁶⁄₉₀₀ - o⁵⁄₁₅₀ + o⁴⁄₆₀ - o³⁄₄₅ - 7*o**²⁄₂ - 34. Let w(n) be the second derivative of s(n). Factor w(v).

2*(v - 1)**³⁄₁₅

Let o(b) be the second derivative of b⁴⁄₄₈ - 23*b³⁄₆ + 529*b**²⁄₂ - 2*b + 243. Determine z, given that o(z) = 0.

46

Let l(w) be the third derivative of -w⁶⁄₆₆₀ + w⁵⁄₃₀ + 25*w⁴⁄₁₃₂ + 13*w³⁄₃₃ - 407*w**2. Find b such that l(b) = 0.

-1, 13