3 years ago

Factor completely 2x^3 + 14x^2 + 6x + 42.

1 answer:

4 0

Hello,

2x^3+14x^2+6x+42=2x^2(x+7)+6(x+7)
=(x+7)(2x²+6)
=2(x+7)(x²+3) in IR.

or In C 2(x+7)(x-i√3)(x+i√3)

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