Asked by bebe
Solve the equation for all real solutions in simplest form.
2c^2-5c-9=-1
2c^2-5c-9=-1
Answers
Answered by
mathhelper
2c^2-5c-9=-1
2c^2 - 5c - 8 = 0
It does not factor, so use the formula
c = (5 ± √(25 - 4(2)(-8))/4
= (5 ± √89) / 4
2c^2 - 5c - 8 = 0
It does not factor, so use the formula
c = (5 ± √(25 - 4(2)(-8))/4
= (5 ± √89) / 4