" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
-4x² + 5xy + 4x² - 4xy =
-4x² + 4x² + 5xy - 4xy =
xy
pengurangan
-4x² +5xy - 4x² - 4xy =
-4x² - 4x² + 5xy - 4xy =
-8x² + xy