Question

4) f(x) = 2x^5+4x^4+11x^3+22x²+12x+24; -2

please show the steps on how to find the roots

Answer 1

Explanation:

f(x) = 2x^4(x + 2) + 11x^2(x + 2) + 12(x + 2)

f(x) = (x+2) [2x^4 + 11x^2 + 12]

f(x) = (x + 2)(2x^2 + 3)(x^2 + 4)