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Popular >

simplify (2i)^2-i(-2-i)+5-2i

Solution

simplify

(2 i)^{2} - i (- 2 - i) + 5 - 2 i

Solution

0

Solution steps

(2 i)^{2} - i (- 2 - i) + 5 - 2 i

Simplify

(2 i)^{2} : - 4

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

Expand

- i (- 2 - i) : 2 i - 1

= - 4 + 2 i - 1 + 5 - 2 i

Group like terms

= 2 i - 2 i - 4 - 1 + 5

Add similar elements:

2 i - 2 i = 0

= - 4 - 1 + 5

Add the numbers:

- 4 - 1 + 5 = 0

= 0

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Frequently Asked Questions (FAQ)

What is (2i)^2-i(-2-i)+5-2i ?
The solution to (2i)^2-i(-2-i)+5-2i is 0