(2/5X-3/5Y)(5/2X-5/3Y)=?

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(2/5X-3/5Y)(5/2X-5/3Y)=?(2/5X-3/5Y)(5/2X-5/3Y)=?(2/5X-3/5Y)(5/2X-5/3Y)=?(2/5X-3/5Y)(5/2X-5/3Y)=2/5x*

(2/5X-3/5Y)(5/2X-5/3Y)=?
(2/5X-3/5Y)(5/2X-5/3Y)=?

(2/5X-3/5Y)(5/2X-5/3Y)=?
(2/5X-3/5Y)(5/2X-5/3Y)
=2/5x*5/2x-2/5x*5/3y-3/5y*5/2x+3/5y*5/3y
=x^2-2/3xy-3/2xy+y^2
=x^2-13/6xy+y^2