ln(7x+9)+ln(5x)=ln(x^2)

Simple and best practice solution for ln(7x+9)+ln(5x)=ln(x^2) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for ln(7x+9)+ln(5x)=ln(x^2) equation:


Simplifying
ln(7x + 9) + ln(5x) = ln(x2)

Reorder the terms:
ln(9 + 7x) + ln(5x) = ln(x2)
(9 * ln + 7x * ln) + ln(5x) = ln(x2)
(9ln + 7lnx) + ln(5x) = ln(x2)

Remove parenthesis around (5x)
9ln + 7lnx + ln * 5x = ln(x2)

Reorder the terms for easier multiplication:
9ln + 7lnx + 5ln * x = ln(x2)

Multiply ln * x
9ln + 7lnx + 5lnx = ln(x2)

Combine like terms: 7lnx + 5lnx = 12lnx
9ln + 12lnx = ln(x2)

Multiply ln * x2
9ln + 12lnx = lnx2

Solving
9ln + 12lnx = lnx2

Solving for variable 'l'.

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

Add '-1lnx2' to each side of the equation.
9ln + 12lnx + -1lnx2 = lnx2 + -1lnx2

Combine like terms: lnx2 + -1lnx2 = 0
9ln + 12lnx + -1lnx2 = 0

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(9 + 12x + -1x2) = 0

Subproblem 1

Set the factor 'ln' equal to zero and attempt to solve: Simplifying ln = 0 Solving ln = 0 Move all terms containing l to the left, all other terms to the right. Simplifying ln = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(9 + 12x + -1x2)' equal to zero and attempt to solve: Simplifying 9 + 12x + -1x2 = 0 Solving 9 + 12x + -1x2 = 0 Move all terms containing l to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + 12x + -9 + -1x2 = 0 + -9 Reorder the terms: 9 + -9 + 12x + -1x2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 12x + -1x2 = 0 + -9 12x + -1x2 = 0 + -9 Combine like terms: 0 + -9 = -9 12x + -1x2 = -9 Add '-12x' to each side of the equation. 12x + -12x + -1x2 = -9 + -12x Combine like terms: 12x + -12x = 0 0 + -1x2 = -9 + -12x -1x2 = -9 + -12x Add 'x2' to each side of the equation. -1x2 + x2 = -9 + -12x + x2 Combine like terms: -1x2 + x2 = 0 0 = -9 + -12x + x2 Simplifying 0 = -9 + -12x + x2 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.

See similar equations:

| 2+5(m-1)=5m-(m-15) | | 4x+28=6+14x-58 | | 3=2x^2-21 | | x+5+2x=180 | | 7t+6=41 | | 2k^2+22k-60= | | 6a^2-6a^3b^2-6a^2b^3+6b^5=0 | | (X+5)+2x+116=180 | | y=x-(-2) | | 6[a^2-a^3b^2-a^2b^3+b^5]=0 | | ((x^2)-2x+1)=0 | | 5n^2+10n-20= | | 12x-12=(-12x+21x-12x-24) | | 4(4-x)=12 | | 5x-(3x+2)=3x-41 | | T^2-6-27=0 | | (4x-12)+88=180 | | 3t-20=100 | | 4b+5b-7=29 | | (X^2-7x+11)=1 | | my/12=18 | | (x^2-7+11)=1 | | 0.4x^2+0.7x-0.7=0 | | 2.00+2.50g=14.50 | | (15x)(800)= | | (15)(80)= | | 7x+x=57 | | 10x+15y-3=0 | | 2x+6=-1x | | 44+45h=179 | | 2x+7x+10=99 | | 5x^3+25x^2+2+10= |

Equations solver categories