lnx(lnx+8)=9

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Solution for lnx(lnx+8)=9 equation:


Simplifying
lnx(lnx + 8) = 9

Reorder the terms:
lnx(8 + lnx) = 9
(8 * lnx + lnx * lnx) = 9
(8lnx + l2n2x2) = 9

Solving
8lnx + l2n2x2 = 9

Solving for variable 'l'.

Reorder the terms:
-9 + 8lnx + l2n2x2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + 8lnx + l2n2x2 = 0

Factor a trinomial.
(-9 + -1lnx)(1 + -1lnx) = 0

Subproblem 1

Set the factor '(-9 + -1lnx)' equal to zero and attempt to solve: Simplifying -9 + -1lnx = 0 Solving -9 + -1lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1lnx = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1lnx = 0 + 9 -1lnx = 0 + 9 Combine like terms: 0 + 9 = 9 -1lnx = 9 Divide each side by '-1nx'. l = -9n-1x-1 Simplifying l = -9n-1x-1

Subproblem 2

Set the factor '(1 + -1lnx)' equal to zero and attempt to solve: Simplifying 1 + -1lnx = 0 Solving 1 + -1lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1lnx = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1lnx = 0 + -1 -1lnx = 0 + -1 Combine like terms: 0 + -1 = -1 -1lnx = -1 Divide each side by '-1nx'. l = n-1x-1 Simplifying l = n-1x-1

Solution

l = {-9n-1x-1, n-1x-1}

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