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

what is the best medicine for the constriction of the vessels rod from brain?
The Immigration Restriction League wanted Europeans to pass _____ before being allowed to immigrate to the United States. a literacy test a world history test a
Solve the polynomial equation x^3-27=0 by factoring. (with explanations of each step)
A horizontal 20.-newton force is applied to a 5.0-kilogram box to push it across a rough, horizontal floor at a constant velocity of 3.0 meters per second to th
of the following sources,where might you expect to find biased information?
What are the five pillars of Islam?
Which statement correctly describes one characteristic of a sound wave? (1) A sound wave can travel through a vacuum. (2) A sound wave is a transverse wave. (3)
Which substance can be broken down by chemical means? (1) magnesium (3) mercury (2) manganese (4) methanol
Peter has changed his diet to eat healthier. 2/3 of his meals are gluten free and of those gluten free meals 1/2 are vegan. How much of his total diet is gluten
what is the capital of jordan?