-21x^2-24x=0

Simple and best practice solution for -21x^2-24x=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 -21x^2-24x=0 equation:


Simplifying
-21x2 + -24x = 0

Reorder the terms:
-24x + -21x2 = 0

Solving
-24x + -21x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-3x'.
-3x(8 + 7x) = 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 '(8 + 7x)' equal to zero and attempt to solve: Simplifying 8 + 7x = 0 Solving 8 + 7x = 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 + 7x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 7x = 0 + -8 7x = 0 + -8 Combine like terms: 0 + -8 = -8 7x = -8 Divide each side by '7'. x = -1.142857143 Simplifying x = -1.142857143

Solution

x = {0, -1.142857143}

See similar equations:

| 5m+4n=-2 | | 2-4=5gk+12 | | 2x-9+x+x+x+2x-9=360 | | -7(3w+4)=14 | | 649-x=356 | | 4*8-5=32 | | y-1-.6y=2.4 | | 3.3+x=0.7 | | 32=4c-5 | | 7(2-g)=49 | | 4c-5= | | 7r+14= | | 3(7y-8)=9y | | .3x-.1+.2x=1.4 | | 4c-5=32 | | 5x^2-11x-6=0 | | 4(2x-5)+20= | | -3m=-5(m-8) | | y=x^2-6x-10 | | .4x-3+1.2=2.6 | | -4w+3s=6 | | 3=8y-5 | | Y^4-10y^2=9 | | 2(9-Y)+11=-11(y-4)-10 | | x^2-18x=29 | | 11(7-k)+5=-5(k-4)-4 | | (s^2)-(6s)+10=0 | | 3+3m=-33 | | 11y-14=5y-7 | | -6z+13=17z | | 649-x=494 | | -6(2s-1)=30 |

Equations solver categories