" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b)(2+a)(a-2)+(-3+2a)^2=a^2-4+(9-12a+4a^2)=a^2-4+9-12a+4a^2=5a^2-12a+5