how would you solve 32^x =16^x-4
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Last edited by OmarAl; 18-09-2016 at 19:04.
- 18-09-2016 18:56
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- 20-09-2016 20:10
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- 20-09-2016 20:16
Make everything to have 2^ then just rénovés the twos (equate term méthod)
5x = 4x -2
X = -2
As 2^5 is 32 And (2^5)^x becomes 5x when powers are equated after following the rules of indices.