28x^2-21x=0

Simple and best practice solution for 28x^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 28x^2-21x=0 equation:


Simplifying
28x2 + -21x = 0

Reorder the terms:
-21x + 28x2 = 0

Solving
-21x + 28x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '7x'.
7x(-3 + 4x) = 0

Ignore the factor 7.

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 '(-3 + 4x)' equal to zero and attempt to solve: Simplifying -3 + 4x = 0 Solving -3 + 4x = 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 + 4x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 4x = 0 + 3 4x = 0 + 3 Combine like terms: 0 + 3 = 3 4x = 3 Divide each side by '4'. x = 0.75 Simplifying x = 0.75

Solution

x = {0, 0.75}

See similar equations:

| 6(1-2x)-2(4-9x)=7 | | 9y(y-7)+2(3y-9)= | | x-8.9=8.1 | | x*3-2x=0 | | -x+4-8x-4=-6x+3 | | 3=6x-x^3 | | -6=y+25 | | K^2+7k+12= | | x+59=5x+23 | | x-(9x)=80 | | (2x-4y)(2x-4y)=0 | | 5x-20=3x+70 | | 6y+6x=400 | | 4(x+2)=x-3 | | 1x+2=x*3 | | x^2+6x+13=80 | | 3x^2-6x+15x=0 | | 9x^3+21x^2+16x-2=0 | | -2x^2+3x+36=0 | | -20+5x=9x | | 4+30x=20x+22 | | -26+3x=-52+13x | | 2y(y+3)=19 | | 46-4x=14-8x | | 4x+11=-52-5x | | 5-3x=11-x | | 4+4x=-2+x | | 5t+4=2t+15 | | 30k+90k=20k | | 2=-3x+26 | | 4x+27=3(x+4)+7 | | 9x-13=2x+6 |

Equations solver categories