f(x) = 2x^3 - 5x^2 + px -5 = 0. I've found the roots: 1+2i and 1-2i. How do I solve the equation? Do I simply use the formula to find the quadratic? (x-(1-2i))(x-(1+2i))?

Question

anonymous · Answer

I found the quadratic to be:
$$x ^{2}-2x+5$$
What do I do from here?

triciaal · Answer

missing a root, x^3 means it will have 3 roots

triciaal · Answer

how did you find the roots with 2 unknowns?

triciaal · Answer

given the eqn   factor then find what value of p makes the eqn true

triciaal · Answer

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