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

The test to detect the presence of respiratory syncytial virus is 97% accurate for a person who has the virus and 99% accurate for a person who does not have th

Even though some people in the United States do not have health insurance, they would still be likely to A. maintain regular healthcare appointments. B. be ab

What event led to the communist control of Russia

Round 3.255 to the nearest hundredth.

The specific heat of carbon is 0.71 j/(g C) how much energy is given off as a 2 gram piece of graphite cools from 120 to 20 C

A and b have opposite directions, and they both have a magnitude of 7 what must be true about a and b

The wholesale price of a bike is $38. The store plans on marking it up by 250%. What is the retail price?

Elimination method 2x-7y=0 4x+9y=0

choose 2 correct answers!!!!!! thank you

Please help me please