-6x(2/3x-2/5y)+12y(-3/8x+1/3y)=?

-6x(2/3x-2/5y)+12y(-3/8x+1/3y)=?

-6x(2/3x-2/5y)+12y(-3/8x+1/3y)
=-4x²;+12/5xy-9/2xy+4y²;
=4y²;-2.1xy-4x²;