" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
= -2(5x - x²) - (4x² + 3x)
= -10x + 2x² - 4x² - 3x
= - 2x² - 13x
= 2x² + 13x