(x+4)(3x-4)=0

Simple and best practice solution for (x+4)(3x-4)=0 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 (x+4)(3x-4)=0 equation: 


Simplifying
(x + 4)(3x + -4) = 0

Reorder the terms:
(4 + x)(3x + -4) = 0

Reorder the terms:
(4 + x)(-4 + 3x) = 0

Multiply (4 + x) * (-4 + 3x)
(4(-4 + 3x) + x(-4 + 3x)) = 0
((-4 * 4 + 3x * 4) + x(-4 + 3x)) = 0
((-16 + 12x) + x(-4 + 3x)) = 0
(-16 + 12x + (-4 * x + 3x * x)) = 0
(-16 + 12x + (-4x + 3x2)) = 0

Combine like terms: 12x + -4x = 8x
(-16 + 8x + 3x2) = 0

Solving
-16 + 8x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -1x)(4 + -3x) = 0


Subproblem 1
Set the factor '(-4 + -1x)' equal to zero and attempt to solve:

Simplifying
-4 + -1x = 0

Solving
-4 + -1x = 0

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

Add '4' to each side of the equation.
-4 + 4 + -1x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = 0 + 4
-1x = 0 + 4

Combine like terms: 0 + 4 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4

Subproblem 2
Set the factor '(4 + -3x)' equal to zero and attempt to solve:

Simplifying
4 + -3x = 0

Solving
4 + -3x = 0

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

Add '-4' to each side of the equation.
4 + -4 + -3x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -3x = 0 + -4
-3x = 0 + -4

Combine like terms: 0 + -4 = -4
-3x = -4

Divide each side by '-3'.
x = 1.333333333

Simplifying
x = 1.333333333
Solution
x = {-4, 1.333333333}

See similar equations:

| 4m-2m+6=12 | | X/5=12/3 | | 16+t=70 | | -7-7z=7-3z | | 24=2.5l+2 | | 0.5x+2-(-3)=0.25x+(-6) | | 4/k=3=8/14 | | 48/4=n/9 | | -5p+8-4p=8-9p | | 6x-2(x-7)=2(x-4)+9 | | 3x+7-x=6x-5 | | 2X+3=2X+106 | | (12-x)(12-x)(12-x)=864 | | x+40=3x+x-10 | | 8/n=6/15 | | 12x-10-8x=14 | | -k=-9-k | | 3y-2y-8y= | | k^2-2k+2=0 | | 16x+8y=460 | | 2/5c-1/2=6 | | h/9=44/54 | | (x+1000)+x=1100 | | 6a-1/1-a | | 6y+x=1200 | | 7=m^2-4m | | 7b+5=-3b-25 | | 3+12x=-1x | | 6x-(4x+5)=2(x-2)-1 | | 2*y=2.02 | | 6i/2-8i | | -7a+3=-25 |

Equations solver categories