teenav
teenav teenav
  • 01-01-2021
  • Mathematics
contestada

(ii) factorize 9x^2 - y^2 + 4y - 4​

Respuesta :

cwrw238 cwrw238
  • 20-01-2021

Answer:

(3x - y + 2)(3x + y - 2).

Step-by-step explanation:

9x^2 - y^2 + 4y - 4​

= 9x^2 - (y^2 - 4y + 4)

= 9x^2 - (y - 2)^2

= (3x - (y - 2))(3x + (y - 2)

= (3x - y + 2)(3x + y - 2).

Answer Link

Otras preguntas

How do you multiply by two digit numbers
What are the negative side effects of taking birth control pills in early age
Why was deflation hard on farmers but inflation was not ?
An animal which a predator feeds upon
10 adjectives to describe a roman emperor
$5,000 is invested in an account earning 4.6% interest compounded annually. How much will there be in the account after 4 years? A. $5,690 B. $5,470.58 C. $5,72
Ron earns $4 per hour on Saturdays and $5 per hour on Sunday's. He worked 17 hours one weekend and earned $76. How many hours did he work on Sunday
There were 12,351 visitors to a history center last year. What is this number rounded to the nearest hundred
In the system of feudalism, who owns the land
how is force, work, and distance the related