Question

X ao quadrado -10x+14=0 ?

Answer 1

x²-10x+14=0      Aplica-se Bháskara

-(-10)+-√-10²-4x1x14
--------------------------- =
           2x1
10+-√100-56
----------------- =
         2
10+-√44
----------- =
      2
10+-2√11
------------ =
       2
x'=5+2√11
x''=5-2√11

Answer 2

-(-10)+-√-10²-4x1x14
--------------------------- =
           2x1
10+-√100-56
----------------- =
         2
10+-√44
----------- =
      2
10+-2√11
------------ =
       2
x'=5+2√11