Teachers and parents

Instructions:

Solve quadratic equation and find out values of unknown variables x1 and x2.

Example

  
-1.x2 - 3.x + 10=0/
=0
(x ).(x )=0
x1=
x2=

Solution

-1.x2 - 3.x + 10=0
x1=-5
x2=2

Solve exercises