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

The solution to 2(4-5i)+3(-2-i) is 2-13i

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

simplify

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

2 - 13 i

Solution steps

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

Expand

2 (4 - 5 i) : 8 - 10 i

= 8 - 10 i + 3 (- 2 - i)

Expand

3 (- 2 - i) : - 6 - 3 i

= 8 - 10 i - 6 - 3 i

Group like terms

= - 10 i - 3 i + 8 - 6

Add similar elements:

- 10 i - 3 i = - 13 i

= - 13 i + 8 - 6

Subtract the numbers:

8 - 6 = 2

= - 13 i + 2

Rewrite in standard complex form:

2 - 13 i

= 2 - 13 i

(2 - 7 y)^{2}

\frac{3}{4} \times \frac{8}{9}

\frac{6 ^{\frac{5}{2}}}{6}

(2 x)^{2}

\frac{44}{24}