3 years ago

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

Mathematics

1 answer:

Ivenika [448]3 years ago

3 0

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

Step-by-step explanation:

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

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

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

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