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4 votes
Solve
3x2 - 5x - 1 = 0

1 Answer

7 votes

Answer:

x = -0.18046, 1.84713

Explanation:

Since we cannot factor the quadratic, we need to use quadratic formula (
x = (-b+/- √(b^2-4ac) )/(2a)):

a = 3

b = -5

c = -1


x = (-(-5) +/- √((-5)^2-4(3)(-1)) )/(2(3))


x = (5+/- √(25 + 12) )/(6)


x = (5+/- √(37) )/(6)

User Harshal Parekh
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