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

Write 4.23 x 10^-4 in standard form
who made the effective contribution in the field of sience and arts during the renaicence
Alan is 30 years old, and Vanessa is 22 years old. How many years ago was Alan twice as old as Vanessa? (Algebra 1 type word problem)
The solutions of the equation x² - 6x + 4 = 0 can be written as a IVb, where a and b are prime numbers. Solve x² - 6x + 4 = 0 to find the values of a and b.​
Witnesses of the eruption observed three pillars of fire, which appeared to have orange, glowing ash and rocks. The graph shows the relationship between the int
Describe how Merrymount was a different kind of colony from other Puritan colonies and Virginia colony?
PLEASE SOLVE AND EXPLAIN I WILL GIVE BRAINLIEST!! THANK YOU(-3^2+1)(2x^2+3x-4)
Explain Four preparation one ought to be made before marriage
1. In the context of the text, why do people do bad things? Was Aztec sacrifice a good thing or a bad thing? How should we look back at the Aztecs who took par
(2 4. Find the equation of the inverse of the function y = 4 + 2x​