how to set 2x^{2}-4x-1 eqaul to 0? do you have to factor it first or does it matter?

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- November 1st 2012, 03:22 PMpnfullerbasic help
how to set 2x

^{2}-4x-1 eqaul to 0? do you have to factor it first or does it matter? - November 1st 2012, 03:28 PMskeeterRe: basic help
- November 1st 2012, 03:40 PMpnfullerRe: basic help
- November 1st 2012, 03:51 PMskeeterRe: basic help
is part of the quadratic formula ... and yes, you need the whole formula to solve for x.

- November 1st 2012, 04:30 PMpnfullerRe: basic help
would the answers be 2.225 and -.225

- November 1st 2012, 05:47 PMwaspRe: basic help