FlexiLexi321
FlexiLexi321 FlexiLexi321
  • 14-05-2020
  • Mathematics
contestada

Help! I need an explanation to the answer to get brainliest!

Help I need an explanation to the answer to get brainliest class=

Respuesta :

devishri1977
devishri1977 devishri1977
  • 14-05-2020

Answer:

Step-by-step explanation:

Use FOIL method

(2k + 1) (k - 4) = 2k*k + 2k*(-4) + 1*k + 1*(-4)

                      = 2k² - 8k + k - 4   {add the like terms}

                    = 2k² - 7k - 4

Answer Link
thuytrannguyen2305
thuytrannguyen2305 thuytrannguyen2305
  • 14-05-2020

Answer:

2k²-7k-4

Step-by-step explanation:

(2k + 1 ) (k - 4)

2k * k - 2k * 4 + k - 4

2k² - 8k + k - 4

2k² - 7k - 4

Answer Link

Otras preguntas

How many shoppers made a purchase at an online store, a locally-owned store, and a big-box store?​
Jane, an employee in the human resources department, has created several important PDF documents on her computer that all office managers in her building must r
All carbonate minerals contain the elements carbon and ____.
Why would the practice of eugenics by the American government be considered unconstitutional as well as possibly un-American?A.Eugenics was discredited as a pse
Evaluate x+x3-4x4 when x=2
7. Simplify: 27-2.3² 8=2²-(-2)
Victims' well being should be broadcasted, so families won't worry. True False
A biologist listens to frogs singing at a local pond and hypothesizes that the sounds may be mating calls. What would be the next step? A. testing a prediction
cities gave rise to?
Based on FAA estimates the average age of the fleets of the 10 largest U.S. commercial passenger carriers is 13.4 years with a standard deviation of 1.7 years.