Answer:
x= - b + square root b square - 4ac by 2a
[tex] \huge \underline \mathtt \colorbox{cyan}{D=}[/tex]
[tex]b^{2} - 4ac[/tex]
[tex] \huge \underline \mathtt \colorbox{cyan}{Main Formula}[/tex]
[tex] (- b + \binom{ + }{ - } \sqrt{d}) \div (2a)[/tex]
