Sagot :
a = 2; b = -7; c = -1
[tex]x= \frac{-b+or- \sqrt{b ^{2}-4ac } }{2a} [/tex]
The solution:
[tex] x_{1} = \frac{7+ \sqrt{57} }{4} [/tex]
and
[tex] x_{2} = \frac{7- \sqrt{57} }{4} [/tex]
Please see attached solution :-)
[tex]x= \frac{-b+or- \sqrt{b ^{2}-4ac } }{2a} [/tex]
The solution:
[tex] x_{1} = \frac{7+ \sqrt{57} }{4} [/tex]
and
[tex] x_{2} = \frac{7- \sqrt{57} }{4} [/tex]
Please see attached solution :-)