I am having so much trouble with these kinds of equations. Can someone please help me:confused:

Solve for 'x':

2^2x-1 - 6.2^x-1 + 4 = 0

and...

2^2x - 5.2^x+1 + 16 = 0

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- January 27th 2008, 04:28 PMOgsta101Unknown in Indices
I am having so much trouble with these kinds of equations. Can someone please help me:confused:

Solve for 'x':

2^2x-1 - 6.2^x-1 + 4 = 0

and...

2^2x - 5.2^x+1 + 16 = 0 - January 27th 2008, 04:38 PMJhevon
- January 27th 2008, 04:43 PMmr fantastic
- January 27th 2008, 04:48 PMOgsta101
For the first, I mean:

Sorry about all the confusion...

And thanx for help on number 2! - January 27th 2008, 04:50 PMJhevon
- January 27th 2008, 04:56 PMmr fantastic
- January 27th 2008, 05:00 PMOgsta101
Well, I did it without the multiplying through by 2 and got

x = 2 or 1

and they appear to work.

Thanx heaps for helping me out - January 27th 2008, 05:09 PMmr fantastic