2^x-7•5^x-6=50
please solve it.
Exponent and powers
Class-7
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0
Answer:
Step-by-step :explanation
The key to solving exponential equations lies in logarithms! ... 2) 5^(2*x) = 75 (At this point you can just take the log of both sides (see below) and that's ... 7+or- sqrt(49-4(12)) all ...
Answered by
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Answer:
x=8
Step-by-step explanation:
we can write 50 as 2^1×5^2
2^1×5^2=2^(x-7)×5^(x-6)
1=x-7
2=x-6
x= 8
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