Question

Please hurry!! Choose the equivalent expression to the one shown: (5-2i)²

O 21
O 25 + 4i
O 21 21 - 20i
O 25 - 24i​

Answer 1

21 - 20i

Explanation:

Simplify the following:

(-2 i + 5)^2

(-2 i + 5)^2 = 25 - 10 i - 10 i - 4 = 21 - 20 i:

Answer: -20i +21 = 21 - 20i

Answer 2

the answer is in the picture