hannahloehr
hannahloehr hannahloehr
  • 10-09-2019
  • Mathematics
contestada

How do you solve (3+7i)(2-5i)and put it in standard form?

Respuesta :

jimrgrant1 jimrgrant1
  • 10-09-2019

Answer:

41 - i

Step-by-step explanation:

note that i² = - 1

Given

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

= 6 - 15i + 14i - 35i² ← collect like terms

= 6 - i + 35

= 41 - i ← in standard form

Answer Link

Otras preguntas

True or False The Federal Reserve System functions as the nation’s bank.
Which candidate wins the presidency under the election process used in the United States?
does 8 has more factors than 9
6.54 (one decimal place) ?
What is the first thing you should do if an accident occurs in your classroom? A. Find the emergency equipment. B.Notify your teacher. C.Go to the nearest hospi
Ryan read 127 pages of a book on Monday and 172 pages of the same book on Tuesday. Use compatible numbers to estimate the number of pages Ryan read on Monday an
What two numbers multiply to 630 and add to -57
The Etherton family purchased a square lot for their new home that has an area of one acre. An acre is 4,840 square yards. How many yards is one side of their p
How did the treaty of Paris divide land in north America ?
what is the function of  golgi apparatus?