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

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