en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify (2-4i)(1+i)

Solution

simplify

(2 - 4 i) (1 + i)

Solution

6 - 2 i

Solution steps

(2 - 4 i) (1 + i)

Apply complex arithmetic rule:

(a + bi) (c + d i) = (a c - b d) + (a d + b c) i

= (2 \cdot 1 - (- 4) \cdot 1) + (2 \cdot 1 - 4 \cdot 1) i

Simplify

(2 \cdot 1 - (- 4) \cdot 1) + (2 \cdot 1 - 4 \cdot 1) i : 6 - 2 i

= 6 - 2 i

Popular Examples

simplify 4*(7*8)^2 simplify

4 \cdot (7 \cdot 8)^{2}

simplify (2x)/(-x)simplify

\frac{2 x}{- x}

factor 25x^4-110x^2+121 factor

25 x^{4} - 110 x^{2} + 121

simplify 52*3 simplify

52 \cdot 3

simplify sqrt(75)*sqrt(3)simplify

75 \cdot 3

Frequently Asked Questions (FAQ)

What is (2-4i)(1+i) ?
The solution to (2-4i)(1+i) is 6-2i