Question

What is the complete factorization of the polynomial below?
x3 + 2x2 + 4x + 8
A. (x+ 2)(x + 2)(x+ 21)
B. (x-2)(x + 2)(x-21)
C. (x-2)(x+ 2)(x+21).
D. (x + 2)(x+21)(x - 2)

Answer 1

The solution of the cubic polynomials can be determined by various methods, hit and trial method is one of the best methods to find the solutions of the cubic polynomial. The complete factorization of polynomial  is .

The given polynomial is .

Taking common factors from the polynomial and solving it further.

Thus,

The complete factorization of polynomial  is .

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