To factor 4x2 + 11x + 6 ,
use the form (__x + __)(__x + __),
noting that here, the product of the first and third blanks must be "4",
and the product of the second and fourth blanks must be "6".
Test your guesses using the middle coefficient "11", to get:
4x2 + 11x + 6 = (4x + 3)(x + 2).
No more factoring is possible.
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