SOLUTION: x squared minus 4x + 3=0 x= and x=

Algebra ->  Equations -> SOLUTION: x squared minus 4x + 3=0 x= and x=      Log On


   



Question 1057937: x squared minus 4x + 3=0 x= and x=
Found 2 solutions by josmiceli, MathTherapy:
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+x%5E2+-+4x+%2B+3+=+0+
You can complete the square
+x%5E2+-+4x+%2B+%28-4%2F2%29%5E2+=+-3+%2B+%28-4%2F2%29%5E2+
+x%5E2+-+4x+%2B+4+=+-3+%2B+4+
+%28+x+-+2+%29%5E2+=+1+
Take the square root of both sides
+x+-+2+=+1+
+x+=+3+
and
+x+-+2+=+-1+
+x+=+1+
------------------
check answers:
+%28+x+-+3+%29%2A%28+x+-+1+%29+=+x%5E2+-+4x+%2B+3+

Answer by MathTherapy(10556) About Me  (Show Source):
You can put this solution on YOUR website!

x squared minus 4x + 3=0 x= and x=
x%5E2+-+4x+%2B+3+=+0
(x - 3)(X - 1) = 0
x - 3 = 0 OR x - 1 = 0
highlight_green%28matrix%281%2C7%2C+x%2C+%22=%22%2C+3%2C+or%2C+x%2C+%22=%22%2C+1%29%29