en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify (9+5i)(4-2i)

Solution

simplify

(9 + 5 i) (4 - 2 i)

Solution

46 + 2 i

Solution steps

(9 + 5 i) (4 - 2 i)

Apply complex arithmetic rule:

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

= (9 \cdot 4 - 5 (- 2)) + (9 (- 2) + 5 \cdot 4) i

Simplify

(9 \cdot 4 - 5 (- 2)) + (9 (- 2) + 5 \cdot 4) i : 46 + 2 i

= 46 + 2 i

Popular Examples

expand (3x+2)(x-3)expand

(3 x + 2) (x - 3)

simplify log_{1/8}((1/32)^{-3})simplify

lo g_{\frac{1}{8}} ((\frac{1}{32})^{- 3})

simplify (-3-3sqrt(-3))^2 simplify

(- 3 - 3 - 3)^{2}

simplify 6/(\sqrt[3]{4)}simplify

simplify-sqrt(180)+9sqrt(125)simplify

- 180 + 9125

Frequently Asked Questions (FAQ)

What is (9+5i)(4-2i) ?
The solution to (9+5i)(4-2i) is 46+2i