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Factor by Grouping.

`112 x^2 -4 x -8 = ` ` (` `x+` `)(` `x+` `)`

Hint: If the leading term is negative the gcf is negative.

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   x  √  (   ) π ∞ DNE
( ) ( ] [ ) [ ] —∞ ∞ ∪ DNE
< > ≤ ≥ or All Real Numbers DNE
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