Posted by **Alicia** on Sunday, November 18, 2007 at 9:26pm.

Solve 2x(squared)-3x-2=0 using the quadratic formula. Can someone explain this to me please?

- College Algebra -
**Reiny**, Sunday, November 18, 2007 at 10:15pm
match

2x^2 - 3x - 2 = 0 with

ax^2 + bx + c = 0

so a=2, b=-3, c=-2

the formula says

x = (-b ±√(b^2 - 4ac))/(2a)

substitute the above values and simplify

(did you get x=2, x=-1/2 ?)

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