" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
2. -6x^2+10x-9x-15
-6x^2+x-15
2. -6x+10x+9x-15 = 4x + 9x - 15= 13× - 15