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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