Answer:
6x^2 - x - 12
Explanation:
2x(3x + 4) = 6x^2 + 8x
-3(3x + 4) = -9x - 12
6x^2 + 8x - 9x - 12
6X^2 -X -12
(2X-3)(3X+4)
FOIL
first 2X*3X = 6X^2
outer 2X *4 = 8X
inner -3 *3X = -9x
last = -3 *4 =-12
Add them together = 6X^2 +8X -9X -12
= 6X^2 -X -12
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