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Given $P(x)=x^{3}+2 x^{2}+4 x+8$. Write $P$ in factored form (as a product of linear factors). Be sure to write the full equation, including $P(x)=$.

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Final Answer: \(P(x) = \boxed{(x + 2)(x - 2i)(x + 2i)}\)

Steps

Step 1 :The given polynomial is a cubic polynomial. To factorize it, we need to find its roots. The roots of the polynomial are the values of x for which P(x) = 0. Once we find the roots, we can write the polynomial as a product of linear factors.

Step 2 :The roots of the polynomial are -2, -2i, and 2i.

Step 3 :Therefore, the factored form of the polynomial is \((x + 2)(x - 2i)(x + 2i)\).

Step 4 :Final Answer: \(P(x) = \boxed{(x + 2)(x - 2i)(x + 2i)}\)

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