1- (3a+7)^2
3a)2=(3a)2
73a2(3a)(7)=2.73 a
(7)^2 =7^2
(3a)2+2⋅3⋅7a+72
respuesta
9a2+42a+49
(solo me sale la 1 )
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
1- (3a+7)^2
3a)2=(3a)2
73a2(3a)(7)=2.73 a
(7)^2 =7^2
(3a)2+2⋅3⋅7a+72
respuesta
9a2+42a+49
(solo me sale la 1 )