Срочно плиз 4*(3x-2y)^2-9*(4x+3y)^2

Question

Срочно плиз 4*(3x-2y)^2-9*(4x+3y)^2

Answer 1

4 (9х^2-12ху+4у^2)-9(16х^2+24ху+9у^2)=36х^2-48ху+16у^2-144х^2-216ху-81у^2=-108х^2-264ху-65у^2=
108х^2+264ху+65у^2

Answer 2

-108x^2-264xy-65y^2......