Answer
$-6x^2-6y^2-13xy$
Work Step by Step
By using the FOIL (First, Outer, Inner, Last) method of multiplying two binomials, we have
$$
(- 2x - 3y)(3x + 2y)= -6x^2 -4xy-9xy-6y^2 \\
=-6x^2-6y^2-13xy
.$$
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