alinateow alinateow

12-01-2020
Mathematics

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Hello:) I need help with 6(b) thank youu in advanced !

( The question is in the pic below )

Hello I need help with 6b thank youu in advanced The question is in the pic below class=

Respuesta :

MathPhys MathPhys

12-01-2020

Answer:

(2y − 7) (4y − 3)

Step-by-step explanation:

From 5(a):

2x² − 5x − 12 = (x − 4) (2x + 3)

Therefore, replacing x with 2y − 3:

2 (2y − 3)² − 5 (2y − 3) − 12

= ((2y − 3) − 4) (2 (2y − 3) + 3)

= (2y − 7) (4y − 6 + 3)

= (2y − 7) (4y − 3)

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