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

Two diverging light rays, originating from the same point, have an angle of 5° between them. After the rays reflect from a plane mirror, what is the angle betwe
Two diverging light rays, originating from the same point, have an angle of 5° between them. After the rays reflect from a plane mirror, what is the angle betwe
What are the operation sines that make this statement correct? 3_5_7_18_3=14
wats the 60% off a prize that is $20.00
If 52 x equals 7800 y what does 1 x equal? What is the maths equation?
What is the probability of someone correctly guessing your Social Security number? (Assume all digits 0-9 are available for use)a
which foods earthworms can digest?
Tennis balls with a diameter of 2.5 in. are packaged 3 to a can. The can is a cylinder. Find the volume of the space in the can that is not occupied by tennis b
let f(x)=2x-3 and g(x)= -x^2-1 find ( g o f) (x)
What are the characteristics of mass culture?