Answer
$6x^{2}+13x-28$
Work Step by Step
$(2x+7)(3x-4)=$
$...$distribute the second factor, $3x-4$.
$=2x(3x-4)+7(3x-4)$...distribute $2x$
$=6x^{2}-8x+7(3x-4)$...distribute $7$.
$=6x^{2}-8x+21x-28 $...gather like terms.
$=6x^{2}+13x-28$
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