Question

3-Complete os espaços
a)(___+3)2=a2+6a+____
b)(2a+____)3=8a+____+54ab2+27b3
c)(3a2-2b)2=____-12a2b+___​

Answer 1

Resposta:

A) (a+3)² = a² + 6a + 9

B) (2a + 3b)³ = 8a³ + 36a²b + 54ab² + 27b³

C) (3a² - 2b)² = 4a⁴ - 12a²b + 4b²