deena07 deena07

12-11-2019
Mathematics

contestada

Solve
(1-3k)-4(2+2.5k)

Respuesta :

ad2003ez ad2003ez

12-11-2019

Answer:

k = 1/3 k = -8/10

Step-by-step explanation:

(1 - 3k)(-8 -10k)

-8 -10k + 24k + 30k^2

30k^2 - 10k + 24k - 8

10k(3k - 1) 8(3k - 1)

(3k - 1)(10k + 8)

3k - 1 = 0

3k = 1

k = 1/3

10k + 8 = 0

10k = - 8

k = -8/10

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