find x if 5^x + 5^x+1 = 5^3 × 30
Answers
Answered by
8
Answer:
5/2
Step-by-step explanation:
30 can be written as 25+5 or 5^2+5^1
so x+x+1=3+2+1 (as they all are in power of 5)
2x=5
x=5/2
maybe im incorrect but you can get the method
Answered by
5
Answer:
5^x+5^x+1=5^3×5^2+5^1
x+x+1=3+2+1
2x+1=6
3x=6
x=6/3
x=2
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