15x^2-10x-5=0

Simple and best practice solution for 15x^2-10x-5=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^2-10x-5=0 equation:


Simplifying
15x2 + -10x + -5 = 0

Reorder the terms:
-5 + -10x + 15x2 = 0

Solving
-5 + -10x + 15x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-1 + -2x + 3x2) = 0

Factor a trinomial.
5((-1 + -3x)(1 + -1x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-1 + -3x)' equal to zero and attempt to solve: Simplifying -1 + -3x = 0 Solving -1 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -3x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -3x = 0 + 1 -3x = 0 + 1 Combine like terms: 0 + 1 = 1 -3x = 1 Divide each side by '-3'. x = -0.3333333333 Simplifying x = -0.3333333333

Subproblem 2

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

Solution

x = {-0.3333333333, 1}

See similar equations:

| -9(6+k)-2k=-10 | | y=-0.75x+3.0 | | 10x^2-9x+3=0 | | 14=p+1 | | 10a+2=-20-a | | 17=2x+2-x | | -9v^2-21v-10=0 | | 2(3x+9)=84 | | 10(3x+10)=190 | | 7y^2+36y+5=0 | | 102-96=32y-38y | | 27=-3(x-6) | | 0.12m=6 | | 4x-5(x-2)=8x+14 | | 6x+2=5x-1 | | 5(2d-3)+8=3 | | 5x^2-75x-15=0 | | 36n/3-2=72 | | 3(3+5x)=9 | | 12x=15+7x | | 35=x+7+6x | | 2(x-4)=x+3 | | x^4-40x^2+144=0 | | 10x=2x+24 | | 3x+13=85 | | 14=6x-22 | | 2x+1=6x-9 | | .5f-2=.166666666 | | -2=-4x-14 | | 15(x+1)=3x(4+5) | | -11x-10y=175x-7y=50 | | -6-22= |

Equations solver categories