Question

a) (y + 10)=2

b)(x + 1)(x + 1)​

Answer 1

Resposta:

Letra a) (y + 10)=2

y = 2 - 10

y = -8

Letra b) (x + 1)(x + 1)

x2 + x • x + 1

x2 + x2 + 1

Corta os expoentes e...

2x + 1 = 0

x = 2/1

x = 2