9x³-7xy²-4x³-5x³+5xy²+9xy²+3x³
=9x³-4x³-5x³+3x³-7xy²+5xy²+9xy²
=3x³+7xy²
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
9x³-7xy²-4x³-5x³+5xy²+9xy²+3x³
=9x³-4x³-5x³+3x³-7xy²+5xy²+9xy²
=3x³+7xy²