" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
=x^2 +2x-5x-10
=x(×+2)-5(×+2)
=(×-5) (x+2)
x1=5, x2=-2
3(5) + 5(-2) = 15 - 10 = 5