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24-09-2020
Mathematics

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(87 POINTS!!!)

Simplify the expression: (3-4i)(1+5i) - (2-i)

SHOWING OF THE WORK IS NEEDED.

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Аноним Аноним

24-09-2020

Answer:

21 + 12i

Explanation:

(3 - 4i)(1 + 5i) - (2 - i)

(3 - 4i)(1 + 5i): 23 + 11i

23 + 11i - (2 - i)

-(2 - i): -2 + i

23 + 11i - 2 + i

Simplify

23 + 11i - 2 + i: 21 + 12i

= 21 + 12i

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