Question

Resolva:
a) ( x + 3 )2 - ( x – 4 )2 =

b ) ( 6a – 3c3 ) ( 6a + 3c3 ) - 2 ( 18a 2 ) =

c) ( x + 3 ) ( x – 3 ) – ( x + 2 ) ( x – 2 ) =

Answer 1

Resposta:

a)14

b)-9c⁶

c)-5

Espero ter ajudado!!!