natehein920 natehein920
  • 04-02-2020
  • Mathematics
contestada

Simplify 2(3-7i)-i(-4+5i)

Respuesta :

avocado10
avocado10 avocado10
  • 04-02-2020

Answer:

[tex] - 5i^2 + - 10i + 6[/tex]

Step-by-step explanation:

2(3-7i)-i(-4+5i)

[tex](6 - 14i) + (4i - 5i^2)[/tex]

[tex] - 5i^2 - 10i + 6[/tex]

you distribute the 2 to the (3-7i) getting 6-14i. then distribute the -i to the (-4+5i) getting 4i-5i^2. then simply combine like terms

Answer Link

Otras preguntas

What event in English history came to be known as the Glorious Revolution? A. the overthrow and execution of Charles I by Parliament B. the revolution led b
I need hellppp pleeaasse
How many times larger is 9 × 10^8 than 3 × 10^-5? A. 3 × 10^13 B. 3 × 10^-40 C. 3 × 10^-13 D. 3 × 10^3
Can you please help me find the surface area
A horse is how much percent more powerful than a pony
Can someone help me with these questions??
which of these was one of the most important aspects of washington's presidency A. he did not consider how his actions would affect later presidents B. he came
Consider the sequence below. 3 , 1 , 1/3 , 1/9 , ... Select the explicit function which defines the sequence.
Solve for the equation. 4x - 13 = 2x + 9
Which statement describes the impact of the 21st Amendment?