Hi there, Can someone please show me how to solve the following equation: 5^x + 25^(2x) = 150 Any help will be greatly appreciated, Cheers
Last edited by tazrulz99; Nov 13th 2007 at 09:02 PM.
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Originally Posted by tazrulz99 Hi there, Can someone please show me how to solve the following equation: 5^x + 25^(2x) = 150 Any help will be greatly appreciated, Cheers Hmm, just check that you didn't make a typo somewhere, it does look a bit like a hard equation for pre-algebra i would say. I quickly solved it by drawing a graph (See the attached image) And it seems the answers are -3,54 and 3.46
Ok and from there you solve with logs. Thanks!
Originally Posted by tazrulz99 Ok and from there you solve with logs. Thanks! Yes because But cannot be equal to Thus = I found:
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