" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
D = b² - 4ac
= (-16)² - 4(2)(20)
= 256 - 160
= 96
x1 + x2 = (16+√96)/2.2 + (16 - √96)/2.2
= (16+√96)/4 + (16 - √96)/4
= 32/4
= 8
= -(-16)/2
= 8