" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-3a² - 8a² + 6a + 7a - 19 + 12
-11a² + 13a - 7
= -3a^2 -8a^2 +6a +7a -19+12
=-11a^2 +13a -7
semoga benar