jpsep3
jpsep3 jpsep3
  • 10-04-2021
  • Mathematics
contestada

Solve for x. Write both solutions, separated by a
comma.
9x^2+ 3x – 2 = 0

Respuesta :

jamiechen79
jamiechen79 jamiechen79
  • 10-04-2021

Answer:

x=1/3, x=-2/3

Step-by-step explanation:

9x^2 +6x -3x -2=0

6x and -3x add up to 3x. You need four terms to factor.

Then you factor=

3x(3x+2)-1(3x+2)=0

(3x-1)(3x+2)=0

Then you can make two equations

3x-1=0 and 3x+2=0 because to multiply to get 0, at least one will be 0.

3x-1=0

3x=1

x=1/3

3x+2=0

3x=-2

x=-2/3

So your answers are x=1/3, x=-2/3

hope this helps!

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