Question

d) ( x - 10 ) . ( x + 10 ) =
e) ( 3x + 5 ) . (3 x – 5 ) =
f) (8 x + 1 ) . ( 8x – 1 ) =

Answer 1

Resposta:

Explicação passo-a-passo:

d) (x-10).(x+10)

2x+10x-10x-100

2x-100

e) (3x+5).(3x-5)

9x-15x+15x-25

9x-25

f) (8x+1).(8x-1)

64x-8x+8x-1

64x-1

Espero ter ajudado