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Mathematics
19 January, 06:26
What is the standard form of (1-3i) (2+5i)
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Gams
19 January, 06:28
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17 - i
Step-by-step explanation:
Step 1: FOIL out
(1 - 3i) (2 + 5i)
(2) + (1 * 5i) + (-3i * 2) + (-3i * 5i)
2 + 5i - 6i - 15i^2
2 - i + 15
17 - i
Answer: 17 - i
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