uporzadkuj
(x-2y)²-3(2x+3y)(2x-3y)=
daje 20 punktow.
(x-2y)2-3(2x+3y)(2x-3y)= 2x-4y-3(4x^2-9y^2)=2x-4y-12x^2-9y^2=2x(1-6x)-y(4+9y)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(x-2y)2-3(2x+3y)(2x-3y)= 2x-4y-3(4x^2-9y^2)=2x-4y-12x^2-9y^2=2x(1-6x)-y(4+9y)