Resposta :
Resposta passo a passo:
c) (12 - 4)2
2.12 - 2.4
24 - 8 = 16
d) (15-6)2
2.15 - 2.6
30 - 12 = 18
e) (x2 - 4y)2
2.2x - 2.4y = 4x - 8y
f) (6 + x)2
6.2 + 2x = 12 + 2x
Resposta passo a passo:
c) (12 - 4)2
2.12 - 2.4
24 - 8 = 16
d) (15-6)2
2.15 - 2.6
30 - 12 = 18
e) (x2 - 4y)2
2.2x - 2.4y = 4x - 8y
f) (6 + x)2
6.2 + 2x = 12 + 2x