Answer:
[tex]by \: using \: completing \: the \: square \: method \\ by \: using \: quadratic \: formula \: \: - b \: plus \: or \: minus \frac{ \sqrt{ {b}^{2} - 4ac } }{2a} \\ by \: factorizing \: \\ this \: it \: the \: only \: one \: i \: know \: [/tex]
