Answer
C
Work Step by Step
A)
$(x+y)(3x-8y)$
$x*3x-8y*x+3x*y-8y^2$
$3x^2-8xy+3xy-8y^2$
$3x^2-5xy-8y^2$
B)
$(x+4y)(3x-2y)$
$3x^2-2xy+12xy-8y^2$
$3x^2+10xy-8y^2$
C)
$(x+2y)(3x-4y)$
$3x^2-4xy+6xy-8y^2$
$3x^2+2xy-8y^2$
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