i tried to times everything by 4x to take away the surd but i got nowhere.

solve the following equation

x-8 = 2√x

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- Dec 9th 2009, 04:15 PMMiasmagasmaquadratic problem
i tried to times everything by 4x to take away the surd but i got nowhere.

solve the following equation

x-8 = 2√x - Dec 9th 2009, 04:22 PMskeeter
- Dec 9th 2009, 04:23 PMProve It
- Dec 9th 2009, 04:55 PMMiasmagasma
thanks guys, i made the stupid error of squaring the 8 initially, rather than the whole side.

- Dec 9th 2009, 05:23 PMskeeter
... please note that only one of the two solutions is valid.