log[4](2x^3-9x^2+x+20)=2

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Solution for log[4](2x^3-9x^2+x+20)=2 equation:


Simplifying
log[4](2x3 + -9x2 + x + 20) = 2

Reorder the terms:
glo * 4(20 + x + -9x2 + 2x3) = 2

Reorder the terms for easier multiplication:
4glo(20 + x + -9x2 + 2x3) = 2
(20 * 4glo + x * 4glo + -9x2 * 4glo + 2x3 * 4glo) = 2
(80glo + 4glox + -36glox2 + 8glox3) = 2

Solving
80glo + 4glox + -36glox2 + 8glox3 = 2

Solving for variable 'g'.

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

Reorder the terms:
-2 + 80glo + 4glox + -36glox2 + 8glox3 = 2 + -2

Combine like terms: 2 + -2 = 0
-2 + 80glo + 4glox + -36glox2 + 8glox3 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-1 + 40glo + 2glox + -18glox2 + 4glox3) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-1 + 40glo + 2glox + -18glox2 + 4glox3)' equal to zero and attempt to solve: Simplifying -1 + 40glo + 2glox + -18glox2 + 4glox3 = 0 Solving -1 + 40glo + 2glox + -18glox2 + 4glox3 = 0 Move all terms containing g to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 40glo + 2glox + -18glox2 + 1 + 4glox3 = 0 + 1 Reorder the terms: -1 + 1 + 40glo + 2glox + -18glox2 + 4glox3 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 40glo + 2glox + -18glox2 + 4glox3 = 0 + 1 40glo + 2glox + -18glox2 + 4glox3 = 0 + 1 Combine like terms: 0 + 1 = 1 40glo + 2glox + -18glox2 + 4glox3 = 1 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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