en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 4i^2-2i^3

Solution

simplify

4 i^{2} - 2 i^{3}

Solution

- 4 + 2 i

Solution steps

4 i^{2} - 2 i^{3}

4 i^{2} = - 4

2 i^{3} = - 2 i

= - 4 - (- 2 i)

Apply rule:

a - (- b) = a + b

- 4 - (- 2 i) = - 4 + 2 i

= - 4 + 2 i

Popular Examples

factor+5n^2+10n+20 factor

+ 5 n^{2} + 10 n + 20

simplify 4^{5/4}simplify

4^{\frac{5}{4}}

simplify 3sqrt(-1000)simplify

3 - 1000

simplify 1/(sqrt(3))+1/(sqrt(2))simplify

\frac{1}{3} + \frac{1}{2}

simplify 1+1/(x+2)simplify

1 + \frac{1}{x + 2}

Frequently Asked Questions (FAQ)

What is 4i^2-2i^3 ?
The solution to 4i^2-2i^3 is -4+2i