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Using the grouping method to factor the polynomial below completely. x^3+2x^2+4x+8

Using the grouping method to factor the polynomial below completely. x^3+2x^2+4x+8
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5 votes
Using the grouping method to factor the polynomial below completely. x^3+2x^2+4x+8

User David Pisoni
by
8.4k points

1 Answer

1 vote

Answer:
(x+2)(x^2+4)

Explanation:


x^3+2x^2+4x+8


(x^3+2x^2)+(4x+8)\\x^2(x+2)+4(x+2)


(x+2)(x^2+4)

User Silvio
by
8.4k points
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