What is (20+8i)/(4i) ?

The solution to (20+8i)/(4i) is 2-5i

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simplify (20+8i)/(4i)

simplify

\frac{20 + 8 i}{4 i}

2 - 5 i

Solution steps

\frac{20 + 8 i}{4 i}

Multiply by the conjugate

\frac{- i}{- i}

= \frac{( 20 + 8 i ) ( - i )}{4 i ( - i )}

Simplify

\frac{( 20 + 8 i ) ( - i )}{4 i ( - i )} : \frac{- 20 i + 8}{4}

= \frac{- 20 i + 8}{4}

Rewrite in standard complex form:

2 - 5 i

= 2 - 5 i

16 x^{3} + 80 x^{2} - 9 x - 45

(i + 2)^{3}

(42) (9 - 7)

f (x - 3)

f (x + 3)