en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 4i(-7+i)

Solution

simplify

4 i (- 7 + i)

Solution

- 4 - 28 i

Solution steps

4 i (- 7 + i)

Apply the distributive law:

a (b + c) = ab + a c

4 i (- 7 + i) = 4 i (- 7) + 4 ii

= 4 i (- 7) + 4 ii

4 i (- 7) = - 28 i

4 ii = - 4

= - 28 i - 4

Rewrite in standard complex form:

- 4 - 28 i

= - 4 - 28 i

Popular Examples

factor 13a-26b+39c factor

13 a - 26 b + 39 c

simplify 7.5*10^3 simplify

7.5 \cdot 1 0^{3}

simplify-5k+3(6+7k)simplify

- 5 k + 3 (6 + 7 k)

simplify 2s(5-4)simplify

2 s (5 - 4)

simplify 50*10^{-2}simplify

50 \cdot 1 0^{- 2}

Frequently Asked Questions (FAQ)

What is 4i(-7+i) ?
The solution to 4i(-7+i) is -4-28i