aurelija249 aurelija249

11-07-2021
Mathematics

contestada

Express 2x^2-12x-7 in the form a(x+b)^2+c

Respuesta :

cwrw238 cwrw238

11-07-2021

Answer:

2(x - 3)^2 - 25.

Step-by-step explanation:

2x^2-12x-7

= 2(x^2 - 6x) - 7

= 2[(x - 3)^2 - 9] - 7

= 2(x - 3)^2 - 18 - 7

= 2(x - 3)^2 - 25.

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