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

Can someone please help
What can you conclude about the relationship between the time spent watching tv and the grades received on the quiz?
Nine less than the product of 20 and malik's score
please help with steps: 18 - 24 (divide) (-6)
anybody help me to solve this question. ​
A reader can find and use clues about how a conflict will end to make a prediction. identify the main character. check a prediction. identify what the main char
Given the following information:g(t) = 3t2 – 5t + 6p(t) = 772-8t? - 9Determine g(t) + p(t) in standard form. PLEASE HELP!!!!!!!!​
Select the three ratios that are equivalent to 2 adults5 children. CLEAR CHECK 8 adults20 children 5 adults8 children 20 adults50 children 4 adults10 children
Which transportation network in the United States that was completed in 1869 is being referenced in the passage? A) Erie Canal B) Panama canal C) National
Help please. make a creative piece of work on the equality act. Will give brainliest