(3x-18)(-x-8)=0

Simple and best practice solution for (3x-18)(-x-8)=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 (3x-18)(-x-8)=0 equation:


Simplifying
(3x + -18)(-1x + -8) = 0

Reorder the terms:
(-18 + 3x)(-1x + -8) = 0

Reorder the terms:
(-18 + 3x)(-8 + -1x) = 0

Multiply (-18 + 3x) * (-8 + -1x)
(-18(-8 + -1x) + 3x * (-8 + -1x)) = 0
((-8 * -18 + -1x * -18) + 3x * (-8 + -1x)) = 0
((144 + 18x) + 3x * (-8 + -1x)) = 0
(144 + 18x + (-8 * 3x + -1x * 3x)) = 0
(144 + 18x + (-24x + -3x2)) = 0

Combine like terms: 18x + -24x = -6x
(144 + -6x + -3x2) = 0

Solving
144 + -6x + -3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(48 + -2x + -1x2) = 0

Factor a trinomial.
3((6 + -1x)(8 + x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Subproblem 2

Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Solution

x = {6, -8}

See similar equations:

| -3(2r-5)+2r=5r | | 1.5k=16 | | 6(-2)-7(3)+2(5)= | | 0.04x-78.50= | | 6a-7b+2c= | | -2(t-8)-(t+8)=11 | | 3x-(x-3)= | | 2x^2+8=24 | | 7a+3+5a-1= | | (y+6)2= | | 57= | | 3p= | | 4x-5(3-2x)=4-(2x-7) | | 0=-x^2+10x-16 | | 0=x^2+10x-16 | | 4/5*2/3+1/4*1/3= | | 4x^2+28x+15=0 | | ac+b=d | | 6(x+2)=4+2 | | 2x+23=11x+4x | | 3t^2+14t+8=0 | | m^2-2m+2=0 | | a^4-2a^3+a^2-1=(a^2-a-1)(a^2-a+1) | | (2x-1)(5+4x)= | | 5ab-2ab+5= | | 2(x-3)+3x=4/5(5x)+x-6 | | z^3+3z^2+3z+2=0 | | x^4-46x^2-147=0 | | 9x^2+25x=0 | | 4x+32+36y= | | t^3+9t^2+27t+1027=0 | | x+2x+3x=360 |

Equations solver categories