Pls and remember to include the paranthesis

Guys i really need or i have to stay late up night

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?