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

Printable View

- Nov 1st 2012, 02:22 PMpnfullerbasic help
how to set 2x

^{2}-4x-1 eqaul to 0? do you have to factor it first or does it matter? - Nov 1st 2012, 02:28 PMskeeterRe: basic help
- Nov 1st 2012, 02:40 PMpnfullerRe: basic help
- Nov 1st 2012, 02:51 PMskeeterRe: basic help
$\displaystyle b^2-4ac$ is part of the quadratic formula ... and yes, you need the whole formula to solve for x.

- Nov 1st 2012, 03:30 PMpnfullerRe: basic help
would the answers be 2.225 and -.225

- Nov 1st 2012, 04:47 PMwaspRe: basic help