Factor completely: -6x3y + 9x2y2 - 12xy3 (4 points)
A) 3xy(-2x2 + 3xy - 4y2)
B) -3xy(2x2 + 3xy - 4y2)
C) -3xy(2x2 - 3xy + 4y2)
D) -3(2x3y - 3x2y2 + 4xy3)

Question

Factor completely: -6x3y + 9x2y2 - 12xy3 (4 points)
A) 3xy(-2x2 + 3xy - 4y2) 
B) -3xy(2x2 + 3xy - 4y2) 
C) -3xy(2x2 - 3xy + 4y2) 
D) -3(2x3y - 3x2y2 + 4xy3)

anonymous · Answer

$\Large -6x^3y + 9x^2y^2 - 12xy^3 \\Large =(3xy)(-2x^2)+(3xy)^2-(3xy)(4y^2)\\Large =3xy(-2x^2+3xy-4y^2)$