en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify (-8+9i)(12+10i)

Solution

simplify

(- 8 + 9 i) (12 + 10 i)

Solution

- 186 + 28 i

Solution steps

(- 8 + 9 i) (12 + 10 i)

Apply complex arithmetic rule:

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

= (- 8 \cdot 12 - 9 \cdot 10) + (- 8 \cdot 10 + 9 \cdot 12) i

Simplify

(- 8 \cdot 12 - 9 \cdot 10) + (- 8 \cdot 10 + 9 \cdot 12) i : - 186 + 28 i

= - 186 + 28 i

Popular Examples

factor 3x^2-30x+27 factor

3 x^{2} - 30 x + 27

factor x^4-15x^3+56x^2 factor

x^{4} - 15 x^{3} + 56 x^{2}

∣ x - 4 ∣ = 3

simplify (sqrt(54))/(sqrt(6))simplify

\frac{54}{6}

- 2 \leq 4 x + 6 < 22

Frequently Asked Questions (FAQ)

What is (-8+9i)(12+10i) ?
The solution to (-8+9i)(12+10i) is -186+28i