simplify (15)/(5i)

Solution

simplify

\frac{15}{5 i}

- 3 i

Solution steps

\frac{15}{5 i}

Multiply by the conjugate

\frac{- i}{- i}

= \frac{15 ( - i )}{5 i ( - i )}

Simplify

\frac{15 ( - i )}{5 i ( - i )} : \frac{- 15 i}{5}

= \frac{- 15 i}{5}

Divide the numbers:

\frac{15}{5} = 3

= - 3 i

\frac{18}{4}

3 \frac{1}{2} \times 4

(8^{2})^{4}

\frac{x ^{2} + 3 x - 28}{x ^{2} - 7 x + 12}

(5 - 8 i) - 2 i (2 - 3 i)