Question

calcule: a) (a+c)² b) (x+9)² c) (6a-1)² d) (x+8)²​

Answer 1

Olá...

Calcule:

a)

(a + c)²

(a + c).(a + c)

a² + ac + ac + c²

a² + 2ac + c²

b)

(x + 9)²

(x + 9).(x + 9)

x² + 9x + 9x + 81

x² + 18x + 81

c)

(6a - 1)²

(6a - 1).(6a - 1)

36a²- 6a - 6a + 1

36a² - 12a + 1

d)

(x + 8)²​

(x + 8).(x + 8)

x² + 8x + 8x + 64

x² + 16x + 64

Bons estudos.