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

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

how many states remained in the union?

how did the indigenous people respond to colonialism in the 19th century?

2. Find the side length of a cube whose volume is 448 cm3. Show all your work and write the final answer in its simplest form.

A 30m high pole was standing at a point of the length side of a rectangle garden. If the angles of elevation of that pole form end points of that length are fou

For an English paper, I need to research about Arizona's clouds and skyscapes as well as the Arizona State Prison and how it looked like and treated prisoners i

in the function f(x)=x^2 has the domain of {-2,4,8,9} what is the range

find the equation of the line that is perpendicular to y=-1/3x and contains the point (4,-8)

Which evidence would best support João's rebuttal? Select three options. Sleep deprivation harms memory. Overtired teens are more prone to accidents. Researcher

I am so confused , what is the answer to 5x=-2x+49?!

5-(-11) Indicated operation