(x+8)x4=21x2

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Solution for (x+8)x4=21x2 equation: 



(x+8)x4=21x^2

We move all terms to the left:

(x+8)x4-(21x^2)=0

determiningTheFunctionDomain
-21x^2+(x+8)x4=0

We multiply parentheses

-21x^2+x^5+8x^4=0

We do not support expression: x^5

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