21x^2 - 83x + 34 = 0

i know i will get two values of ex by factorization. but i am not being able to middle term factorize it.

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- Aug 3rd 2010, 05:00 AMsaha.subhamSolve for x
21x^2 - 83x + 34 = 0

i know i will get two values of ex by factorization. but i am not being able to middle term factorize it. - Aug 3rd 2010, 05:22 AMWilmer
Try the quadratic formula.

- Aug 3rd 2010, 05:27 AMeumyang
- Aug 4th 2010, 02:03 AMHallsofIvy
Relatively few quadratics can be factored with integer coefficients. "Complete the square" or use the quadratic formula instead.

- Aug 4th 2010, 08:38 AMpencil09use quadratic formula
if $\displaystyle ax^2+bx+c=0$

then $\displaystyle x=\frac{-b\pm \sqrt{(b^2-4ac)}}{2a}$

-- hope it'll help --(Wink)