viper94 viper94

10-03-2020
Mathematics

contestada

What is the standard form of (1-3i)(2+5i)

Respuesta :

igoroleshko156 igoroleshko156

10-03-2020

Answer:

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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