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Which is the completely factored form of 12x4 + 39x3 + 9x2?

3x2(x – 3)(4x – 1)
3x2(x + 3)(4x + 1)
3x(x + 3)(4x + 1)
3x(x – 3)(4x + 1)

User Zac Tolley
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1 Answer

1 vote

Answer:

The second option, 3x^2(x+3)(4x+1)

Explanation:

Factor out the common term, which is 3x^2

This then becomes 3x^2(4x^2+13x+3)

Factor the inside term and it becomes

(3x^2)(x+3)(4x+1)

User WinFXGuy
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