Question

How do you simplify `i(1+i)`?

Answer 1

i - 1 = - 1 + i

Explanation:

first step : distribute the bracket

hence i(1 + i ) = `i + i^2`

now `i^2 = (sqrt-1)^2 = -1`

and so i(1 + i ) = i - 1 = -1 + i