hjernigan hjernigan

18-12-2015
Mathematics

contestada

Simplify the given expression below: (7 − 3i) • (2 − i)

Respuesta :

Jose8199 Jose8199

03-07-2017

Foil it, 7 x 2, -3i x -i, 7 x -i, and -3i x 2. It would come to 14+3 i^2-7i-6i. i^2=-1, so it would be 14-3=11 and -7i-6i=-13i
The answer is 11-13i

Answer Link

Otras preguntas

Which expression is equivalent to -√80

An elevator supported by a single cable descends a shaft at a constant speed. The only forces acting on the elevator are the tension in the cable and the gravit

The diagram shows a sector of a radius 10cm. Find the area of the sector, giving your answer correct to 1 decimal place.

Darren is interviewing for a new administrative assistant. The three people he interviewed include an older woman, a man in a wheelchair, and a recent college g

Write an expression to match the statement below Add 5 to 48 divided by 12

g One of the advantages to using common-sized income statements for analysis is _____________________ Group of answer choices a. they are used only for compar

One trait that chicken breeders wished to produce was barred feathers, which causes the feathers to look like they have a striped pattern (see image below). The

What is y=mx+b, 6th grade advance questions

which one is the area in square centimeters?

What are some reasons people oppose protests?