mathhelp28
mathhelp28
19-05-2017
Mathematics
contestada
use the quadratic formula to solve x^2+2x-5
Respuesta :
debbieperez2002
debbieperez2002
19-05-2017
The quadratic formula is x = [-b +-
√(b^2-4ac)]/2a
So, in the equation above, a = 1, b = 2, and c = -5.
When you plug them in and solve, you get x = -1 +
√6 and also x = -1 -
√6.
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