5^(2x+1)+4=21*5^x

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Solution for 5^(2x+1)+4=21*5^x equation: 



5^(2x+1)+4=21*5^x

We move all terms to the left:

5^(2x+1)+4-(21*5^x)=0

We get rid of parentheses

5^(2x+1)-21*5^x+4=0

Wy multiply elements

5^(2x+1)-105x+4=0

We add all the numbers together, and all the variables

-105x+5^(2x+1)+4=0

We move all terms containing x to the left, all other terms to the right

-105x+5^(2x+1)=-4

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