15x^2-50x-40=

Simple and best practice solution for 15x^2-50x-40= 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^2-50x-40= equation:


Simplifying
15x2 + -50x + -40 = 0

Reorder the terms:
-40 + -50x + 15x2 = 0

Solving
-40 + -50x + 15x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-8 + -10x + 3x2) = 0

Factor a trinomial.
5((-2 + -3x)(4 + -1x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-2 + -3x)' equal to zero and attempt to solve: Simplifying -2 + -3x = 0 Solving -2 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -3x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3x = 0 + 2 -3x = 0 + 2 Combine like terms: 0 + 2 = 2 -3x = 2 Divide each side by '-3'. x = -0.6666666667 Simplifying x = -0.6666666667

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-0.6666666667, 4}

See similar equations:

| z+12+4z-7+90=180 | | 90+4z+2+8z-8=180 | | -0.2x^2+0.03x+2=0 | | 0.21h+585= | | 0.21m+525= | | 4z+2+8z-8=180 | | 5s^2-320= | | 3x^2-9xy-7x+21y= | | m=-0.4n+24 | | y(x^5+2)+8(x^5+2)= | | 8x-12+5x+10=180 | | -7i=-21u | | 49x^2+14x+1= | | 8x-12=5x+10 | | 0.21h+525=850 | | 3x+4x+5x+24=180 | | 9m^3+6m^2= | | x-35+45+x+23=180 | | 2m+2m+m=180 | | 48+x-16+x=180 | | 6y^7+2y^4= | | 46+x+31+56=180 | | x+30+36+90=180 | | 57+38+x=180 | | 114+32+x=180 | | 16+131+x=180 | | 48+48+x=180 | | 44+90+x=180 | | 4s-s=6 | | 123+14+x=180 | | 56+30+x=180 | | 60+50+x=180 |

Equations solver categories