How do you simplify i(1+i) ?

Feb 10, 2016

i - 1 = - 1 + i

Explanation:

first step : distribute the bracket

hence i(1 + i ) = $i + {i}^{2}$

now ${i}^{2} = {\left(\sqrt{-} 1\right)}^{2} = - 1$

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