" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
=> ( 3x - 5 )² + 5x - 10
= 9x² - 30x + 25 + 5x - 10
= 9x² - 25x - 15
____________________
2).
=> 3x ( 6x - 1 ) - 4x ( 3x - 5 )
= 18x² - 3x - 12x² - 20x
= 6x² - 23x