4log(x^2+21x)=8

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Solution for 4log(x^2+21x)=8 equation:


Simplifying
4log(x2 + 21x) = 8

Reorder the terms:
4glo(21x + x2) = 8
(21x * 4glo + x2 * 4glo) = 8
(84glox + 4glox2) = 8

Solving
84glox + 4glox2 = 8

Solving for variable 'g'.

Move all terms containing g to the left, all other terms to the right.

Reorder the terms:
-8 + 84glox + 4glox2 = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + 84glox + 4glox2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-2 + 21glox + glox2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-2 + 21glox + glox2)' equal to zero and attempt to solve: Simplifying -2 + 21glox + glox2 = 0 Solving -2 + 21glox + glox2 = 0 Move all terms containing g to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 21glox + 2 + glox2 = 0 + 2 Reorder the terms: -2 + 2 + 21glox + glox2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 21glox + glox2 = 0 + 2 21glox + glox2 = 0 + 2 Combine like terms: 0 + 2 = 2 21glox + glox2 = 2 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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