lg(x-1)=lg(x^2-x-16)

Simple and best practice solution for lg(x-1)=lg(x^2-x-16) 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 lg(x-1)=lg(x^2-x-16) equation:


Simplifying
lg(x + -1) = lg(x2 + -1x + -16)

Reorder the terms:
gl(-1 + x) = lg(x2 + -1x + -16)
(-1 * gl + x * gl) = lg(x2 + -1x + -16)
(-1gl + glx) = lg(x2 + -1x + -16)

Reorder the terms:
-1gl + glx = gl(-16 + -1x + x2)
-1gl + glx = (-16 * gl + -1x * gl + x2 * gl)
-1gl + glx = (-16gl + -1glx + glx2)

Solving
-1gl + glx = -16gl + -1glx + glx2

Solving for variable 'g'.

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

Add '16gl' to each side of the equation.
-1gl + 16gl + glx = -16gl + -1glx + 16gl + glx2

Combine like terms: -1gl + 16gl = 15gl
15gl + glx = -16gl + -1glx + 16gl + glx2

Reorder the terms:
15gl + glx = -16gl + 16gl + -1glx + glx2

Combine like terms: -16gl + 16gl = 0
15gl + glx = 0 + -1glx + glx2
15gl + glx = -1glx + glx2

Add 'glx' to each side of the equation.
15gl + glx + glx = -1glx + glx + glx2

Combine like terms: glx + glx = 2glx
15gl + 2glx = -1glx + glx + glx2

Combine like terms: -1glx + glx = 0
15gl + 2glx = 0 + glx2
15gl + 2glx = glx2

Add '-1glx2' to each side of the equation.
15gl + 2glx + -1glx2 = glx2 + -1glx2

Combine like terms: glx2 + -1glx2 = 0
15gl + 2glx + -1glx2 = 0

Factor out the Greatest Common Factor (GCF), 'gl'.
gl(15 + 2x + -1x2) = 0

Factor a trinomial.
gl((5 + -1x)(3 + x)) = 0

Subproblem 1

Set the factor 'gl' equal to zero and attempt to solve: Simplifying gl = 0 Solving gl = 0 Move all terms containing g to the left, all other terms to the right. Simplifying gl = 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 '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing g to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Add 'x' to each side of the equation. -1x + x = -5 + x Combine like terms: -1x + x = 0 0 = -5 + x Simplifying 0 = -5 + x The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing g to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Add '-1x' to each side of the equation. x + -1x = -3 + -1x Combine like terms: x + -1x = 0 0 = -3 + -1x Simplifying 0 = -3 + -1x 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:

| 8m-14=43 | | 1.3x=1.7x | | 2(5-x)+12=16 | | -9x-1=-5x+11 | | 6+3(x-1)=18 | | 35y+8=18 | | -7n-7= | | 2x-1000=14000 | | 3w^2+24w=0 | | n^2-56=n | | 2x+84=5x-6 | | y=-1-2(0) | | 10x+18=-12 | | v^2-v=6v-11 | | -18=-7x+14 | | 4x+3(-1-2x)=-3 | | X^2-10x+106=0 | | 140=98 | | 2x(x-4)= | | 4x+4=10x+2 | | 4x-12=8x+11 | | 56x+3=31x+3 | | 5x+3y+7z-3x+3z-4y= | | 43x-2=49x-2 | | 2m(m+1)(m+4)= | | y=-12-4(3) | | 81xsquared+72x+16=0 | | 9x+3=11x-1 | | 8x-9y-6x+12y= | | 3(k+2)-5k+6+3= | | -g+6+2g=-4g+-4 | | 11x+12=3x+5 |

Equations solver categories