7^x*7^2=-7

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Solution for 7^x*7^2=-7 equation: 



7^x*7^2=-7

We move all terms to the left:

7^x*7^2-(-7)=0

We add all the numbers together, and all the variables

7^x*7^2+7=0

Wy multiply elements

49x^3+7=0

We do not support expression: x^3

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