Question

Desenvolva as expressões a seguir.

a) ( x + 3 )^(2)

b) ( x + 5 )( x + 3 )

c) ( x - 4 )^(2)

d) ( a - 3 )( a - 4 )

e) ( x - 5 )( x + 5 )

Answer 1

A  x^2+6x+9
b x^2+8x+15
c x^2-8x+16
d a^2-7a+12
e x^2-25