What is 3(4-i)-3(5+2i) ?

The solution to 3(4-i)-3(5+2i) is -3-9i

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 3(4-i)-3(5+2i)

simplify

3 (4 - i) - 3 (5 + 2 i)

- 3 - 9 i

Solution steps

3 (4 - i) - 3 (5 + 2 i)

Expand

3 (4 - i) : 12 - 3 i

= 12 - 3 i - 3 (5 + 2 i)

Expand

- 3 (5 + 2 i) : - 15 - 6 i

= 12 - 3 i - 15 - 6 i

Group like terms

= - 3 i - 6 i + 12 - 15

Add similar elements:

- 3 i - 6 i = - 9 i

= - 9 i + 12 - 15

Subtract the numbers:

12 - 15 = - 3

= - 9 i - 3

Rewrite in standard complex form:

- 3 - 9 i

= - 3 - 9 i

22 \cdot 2

- 0.5 (4 x - 8) + 14 x + 3

\frac{3 - 3 3 a}{4 8 a}

(8 x^{2})^{2}

(6 + 2 i) - (8 - 3 i)