Quadratic equations

Instructions:

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

Example

  
4.x2 + 28.x - 72=0/
=0
(x ).(x )=0
x1=
x2=

Solution

4.x2 + 28.x - 72=0
x1=-9
x2=2
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Quadratic equations
Quadratic equations

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