kktaco2222
kktaco2222 kktaco2222
  • 02-01-2021
  • Mathematics
contestada

Factor completely 3x^2+ 2x -1.
O (3x + 1)(x - 1)
O (3x + 1)(x + 1)
O (3x - 1)(x + 1)
O (3x - 1)(x - 1)

Respuesta :

CSMedrano
CSMedrano CSMedrano
  • 02-01-2021

Answer:

option C

Step-by-step explanation:

[tex]3x^2+2x-1\\\\=(3x+a)(x+b)\\\\(3b+a)=2\\\\ab=-1[/tex]

and here we think of b=1 and a=-1

so we have

[tex](3x-1)(x+1)[/tex]

Answer Link

Otras preguntas

A form of ancient writing in which picture symbols represent sounds
There are 279 middle schoolers going on a field trip. An adult is needed for every 8 students. Me. Smith determines that 34 adults are needed for the trip. Expl
2/3 ×24.24 = what fraction
Are what the supreme court judges are called?
Does anyone know qusetion 10 and 11?
Some people experience disorders and issues with the process of accommodation, describe ways in which technologies can overcome these effects. (5 marks)
Simplify 3/4 (1440) + 295.25 +(-33.50)=
How has the character of the crystal Merchant been tricked over time into believing"the world's greatest lie", as Melchizedek called it
You are performing an experiment to determine how well plants grow under different light sources. Of the 30 plants in the experiment, 12 receive visible light,
triangle congruence proofs?