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# My exam have mistakes xD

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i think what is D but with other exp.

Jun 15, 2020

#1
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Really im sorry but its an exam so bad and calculator i use but no one of answers its correct :,(

Jun 15, 2020
#2
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$$\quad (2x(y + 3))(y(2x - 1))\\ = 2xy(2x - 1)(y + 3)\\ =2xy(2xy - y + 6x - 3)\\ =2(2x^2 y^2 - xy^2 + 6x^2 y - 3xy)$$