Question

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Factor completely 2x^3 + 6x^2 + 2x + 6.

2[(x + 3)(x^2 + 1)]
(2x + 6)(x^2 + 1)
(x + 3)(2x^2 + 2)
2(x^3 + 3x^2 + x + 3)

Answer 1

2(x + 3)(x² + 1)

Explanation:

2x³ + 6x² + 2x + 6

x²(2x + 6) + 1(2x + 6)

(2x + 6)(x² + 1)

2(x + 3)(x² + 1)