bonsoir
√108 = √36 x √3 = 6√3
√500 = √5 x √100 = 10 √5
√128 = √2 x √64 = 8√2
( 2 x + 3 ) ( 4 x - 5) = ( 3 x + 2) ( 2 x + 3 )
( 2 x + 3 ) ( 4 x - 5 ) - ( 3 x + 2 ) ( 2 x + 3 ) = 0
( 2 x + 3 ) ( 4 x - 5 - 3 x - 2 ) = 0
( 2 x + 3 ) ( x - 7 ) = 0
x = - 3/2 ou 7
5 x² + 4 x = 0
x ( 5 x + 4 ) = 0
x = 0 ou - 4/5
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
bonsoir
√108 = √36 x √3 = 6√3
√500 = √5 x √100 = 10 √5
√128 = √2 x √64 = 8√2
( 2 x + 3 ) ( 4 x - 5) = ( 3 x + 2) ( 2 x + 3 )
( 2 x + 3 ) ( 4 x - 5 ) - ( 3 x + 2 ) ( 2 x + 3 ) = 0
( 2 x + 3 ) ( 4 x - 5 - 3 x - 2 ) = 0
( 2 x + 3 ) ( x - 7 ) = 0
x = - 3/2 ou 7
5 x² + 4 x = 0
x ( 5 x + 4 ) = 0
x = 0 ou - 4/5