(6x^2)+21x=0

Simple and best practice solution for (6x^2)+21x=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 (6x^2)+21x=0 equation:


Simplifying
(6x2) + 21x = 0

Reorder the terms:
21x + (6x2) = 0

Solving
21x + (6x2) = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(7 + (2x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(7 + (2x))' equal to zero and attempt to solve: Simplifying 7 + (2x) = 0 Solving 7 + (2x) = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + (2x) = 0 + -7 Combine like terms: 7 + -7 = 0 0 + (2x) = 0 + -7 (2x) = 0 + -7 Combine like terms: 0 + -7 = -7 (2x) = -7 Divide each side by '2'. x = -3.5 Simplifying x = -3.5

Solution

x = {0, -3.5}

See similar equations:

| 18000/5280 | | 7/10-8/15 | | 7+-6=-12 | | (8x+z)(8x-z)= | | 6t=2t+12 | | 3/8+7/12 | | 2over-4= | | 2/5+3/8 | | 8a-3a+9a= | | 3(x+1)-5x=-8-(1+x) | | (116.6/105.3)100-100 | | 5(3n-8)=-3-4(8-5n) | | 14-6x=-22 | | 5z-14=1+2z | | 3(x-8)+4x=5x-1 | | 22h+40=-15h-80 | | 4t-24=27+5t | | 4x-4(x-4)=-8x+40 | | 7/10+25/80 | | 1/3+4/21 | | -6a-18=-4a-4 | | 2(1+5v)=-10+8v | | 16/25-2/5 | | 1/10+1/2 | | 6p-1=-q+20 | | 8x+40=4(1+5x) | | f(x)=x^3-2x^2-x+2 | | (123.2/112)/100-100 | | (6x-11)2=0 | | 3(2x-4)=4(x-5) | | -98=4(6x-2)-6 | | 8/9-6/9 |

Equations solver categories