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Quadratic equations

Instructions:

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

Example

  
-2.x2 + 4.x + 96=0/
=0
(x ).(x )=0
x1=
x2=

Solution

-2.x2 + 4.x + 96=0
x1=-6
x2=8

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