Question

(x+1)2 como resolver?

Answer 1

(x+1)² = (x+1).(x+1)

(x+1)² = x.x + x.1 + 1.x + 1.1

(x+1)² = x² + x + x + 1

(x+1)² = x²+2x+1

Answer 2

Se for: (x+1)² = x² + 2x + 1
Se for: (x + 1)2 = 2x + 2