Tasked with solving for x

hw 4 : solve for x (7x^8 + 9x^7 - 6x^5 + 3x^3 - 4x +12.5 = 0)

Answer 1

[Walter Roberson]

syms x
RC = @() randi([-25 25]);
eqn = RC()*x^5 + RC()*x^3 + RC()*x^2 + RC() == 0

eqn = 

p = sym2poly(lhs(eqn) - rhs(eqn))

p = 1×6

8 0 -3 -2 0 22

roots(p)

ans = 
  -1.2536 + 0.0000i
  -0.4214 + 1.1258i
  -0.4214 - 1.1258i
   1.0482 + 0.6476i
   1.0482 - 0.6476i