15x^2-21x=0

Simple and best practice solution for 15x^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 15x^2-21x=0 equation:


Simplifying
15x2 + -21x = 0

Reorder the terms:
-21x + 15x2 = 0

Solving
-21x + 15x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-7 + 5x) = 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 + 5x)' equal to zero and attempt to solve: Simplifying -7 + 5x = 0 Solving -7 + 5x = 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 + 5x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 5x = 0 + 7 5x = 0 + 7 Combine like terms: 0 + 7 = 7 5x = 7 Divide each side by '5'. x = 1.4 Simplifying x = 1.4

Solution

x = {0, 1.4}

See similar equations:

| 58=a-42 | | 147-3x=42x+22 | | (x+10)2=169 | | 5x=48-3x | | x^2-8x-64=0 | | 15=p-22 | | 0=3X^3-2X^2-4X+7 | | 3(x-3)-14=2(x-7)+10 | | 8=y+33 | | -11-6x=13x+24 | | 24+x=43 | | 2x-2=9x-6 | | y-23=7 | | 46x-1=36x | | 12x-152=5x-5 | | 46(x-1)=36x | | x+(x+11)=150 | | 8-10x=128-38x | | p+9=3 | | 113-7x=29x+17 | | 11-8x=111-36x | | 2x+8=112-10x | | 120-4x=6x+10 | | v-8=-6 | | x+4y=54 | | 20x^2-24x=0 | | 5x^2-31x-72=0 | | 12x^2+27x=0 | | 16x^2-81=0 | | 4x^2-72=5x^2+18x | | 9+r=-8 | | 5x-5=12x+82 |

Equations solver categories