" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
=
=3x*9x^2+3x*-6xy+3x*4y^2+2y*9x^2+2y*-6xy+2y*4y^2=27x^3-18x^2y+12xy^2+18x^2y-12xy^2-8y^3=27x^3+12xy^2-12xy^2+8y^3=27x^3+8y^3