(2x+6)(x-4)=0

Simple and best practice solution for (2x+6)(x-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 (2x+6)(x-4)=0 equation:


Simplifying
(2x + 6)(x + -4) = 0

Reorder the terms:
(6 + 2x)(x + -4) = 0

Reorder the terms:
(6 + 2x)(-4 + x) = 0

Multiply (6 + 2x) * (-4 + x)
(6(-4 + x) + 2x * (-4 + x)) = 0
((-4 * 6 + x * 6) + 2x * (-4 + x)) = 0
((-24 + 6x) + 2x * (-4 + x)) = 0
(-24 + 6x + (-4 * 2x + x * 2x)) = 0
(-24 + 6x + (-8x + 2x2)) = 0

Combine like terms: 6x + -8x = -2x
(-24 + -2x + 2x2) = 0

Solving
-24 + -2x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-12 + -1x + x2) = 0

Factor a trinomial.
2((-3 + -1x)(4 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Solution

x = {-3, 4}

See similar equations:

| 3x=6y-3 | | r+141=-7r-3 | | 1.5x-x=6x-1 | | 15=6p-p | | -4.7f+6.4=-8.48 | | 12x+7y=60 | | 1-5n-3=3 | | -2n-9=n-132 | | 4x+28=9x-9+22 | | 3x+4+7+1= | | 145=5(5+3m) | | -15=-4x+x | | 1+3n=0.8n+12 | | 7(x-1)-6=-3(-6x+3)-5x | | 4y/5-5/6=11/30 | | -5/9u=15 | | -3(9+v)=-30 | | -164=4(1+6b) | | 36/24x | | 4a+7=a-44 | | 5.33333333333=x | | 180=19x | | y^20=1 | | 180=19-x | | 6a-15=-3(a-7) | | 4/7y=56 | | -5(4u-4)+8u=2(u+8) | | y-45=3y+7 | | 1+0.142857143x=6 | | 9x-(6x+5)=16 | | 4x-3=(6x+5)-12 | | -5(2u-4)+8u=2(u+8) |

Equations solver categories