ThatsKnarlyBro ThatsKnarlyBro

12-09-2019
Mathematics

contestada

What is the standard form of (7 - 5i)(2 + 3i)?
A. 29 + 11i

B. -11 + 29i

C. 11 - 29i

D. -29 + 11i

Respuesta :

jimrgrant1 jimrgrant1

12-09-2019

Answer:

A

Step-by-step explanation:

Note that i² = - 1

Given

(7 - 5i)(2 + 3i) ← expand factors using FOIL

= 14 + 21i - 10i - 15i² ← collect like terms

= 14 + 11i + 15

= 29 + 11i → A

Answer Link

610036762 610036762

18-09-2020

Answer:

A

Step-by-step explanation:

Answer Link

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