Question

Resolva as operações:
a)( 2 + X ) . ( 2 – X ) =

b) (X - 2) . (X - 2)=

c) (2 X² + 1) + ( X² + 2) =

d)( 2 X + 2 ) - ( X – 3 ) =​

Answer 1

a)

$4 - { \times }^{2}$

b)

$( \times - 2)^{2}$

c)

$3( { \times }^{2} + 1)$

d)

$\times + 5$