Question

calcule:
a)(a+5)²
b)(×+3)²
c)(×+3)²
d)(×+9)(×+9)​

Answer 1

espero ter ajudado, boa sorte ai

Answer 2

Resposta:

a) (a+5)² = a² + 10a + 25

b) (×+3)² = x² + 6x + 9

c) (×+3)² = x² + 6x + 9

d) (×+9)​(×+9)= x² + 18x + 81