SOLUTION: please help me solve this------->factor by grouping x^3+4x^2-3x-12

Question 421357: please help me solve this------->factor by grouping x^3+4x^2-3x-12
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
factor by grouping x^3+4x^2-3x-12
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Rearrange:
x^3-3x + 4x^2-12
---
Factor in pairs:
x(x^2-3) + 4(x^2-3)
----
= (x^2-3)(x+4)
===================
Cheers,
Stan H.
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