ln(x+2)+ln(x-2)=9

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Solution for ln(x+2)+ln(x-2)=9 equation:


Simplifying
ln(x + 2) + ln(x + -2) = 9

Reorder the terms:
ln(2 + x) + ln(x + -2) = 9
(2 * ln + x * ln) + ln(x + -2) = 9
(2ln + lnx) + ln(x + -2) = 9

Reorder the terms:
2ln + lnx + ln(-2 + x) = 9
2ln + lnx + (-2 * ln + x * ln) = 9
2ln + lnx + (-2ln + lnx) = 9

Reorder the terms:
2ln + -2ln + lnx + lnx = 9

Combine like terms: 2ln + -2ln = 0
0 + lnx + lnx = 9
lnx + lnx = 9

Combine like terms: lnx + lnx = 2lnx
2lnx = 9

Solving
2lnx = 9

Solving for variable 'l'.

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

Divide each side by '2nx'.
l = 4.5n-1x-1

Simplifying
l = 4.5n-1x-1

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