melissaschepman2003 melissaschepman2003

15-07-2019
Mathematics

contestada

Factor 6(x − 4)2 − (x − 4) − 2 completely.

A (6x − 25)(x − 2)
B (3x − 14)(2x − 7)
C (3x − 2)(2x + 1)
D 2(x − 5)(3x − 11)

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

15-07-2019

Answer:

B (3x − 14)(2x − 7)

Step-by-step explanation:

6(x − 4)^2 − (x − 4) − 2

Replace x-4 with m

6m^2 − m − 2

(3m -2 ) (2m+1)

Now replace m with x-4

(3 (x-4) -2) (2(x-4) +1)

Distribute

(3x-12 -2) (2x-8+1)

Combine like terms

(3x-14) (2x-7)

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