BbyGirl2017
BbyGirl2017 BbyGirl2017
  • 13-03-2017
  • Mathematics
contestada

use the quadratic formula to solve the equation

x^2-3x+2=0

Respuesta :

MrsStrong
MrsStrong MrsStrong
  • 09-01-2019

Answer:

x= 1, 2

Step-by-step explanation:

The quadratic formula is [tex]x=\frac{-b+/-\sqrt{b^2-4ac} }{2a}[/tex]. Here a=1, b=-3, and c=2.

Substitute and you'll have:

[tex]x=\frac{-b+/-\sqrt{b^2-4ac} }{2a} =\frac{3+/-\sqrt{(-3)^2-4(1)(2)} }{2(1)}=\frac{3+/-\sqrt{9-8} }{2)}[/tex]

[tex]\frac{3+/-\sqrt{1} }{2}=\frac{3+/-\sqrt{1} }{2}=\frac{3+/-1 }{2}= 2 , 1[/tex]

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