sandyor528 sandyor528

17-05-2022
Mathematics

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Аноним Аноним

17-05-2022

Answer:

See below ~

Step-by-step explanation:

Q1

y = (x + 3i)(x - 7)
y = x² + 3ix - 7x - 21
y = x² + (3i - 7)x - 21

Q2

y = (x - √5)(x - i)
y = x² - √5x - ix + √5i
y = x² - (√5 + i)x + √5i

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