-15x^2-20=0

Simple and best practice solution for -15x^2-20=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^2-20=0 equation:


Simplifying
-15x2 + -20 = 0

Reorder the terms:
-20 + -15x2 = 0

Solving
-20 + -15x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '20' to each side of the equation.
-20 + 20 + -15x2 = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -15x2 = 0 + 20
-15x2 = 0 + 20

Combine like terms: 0 + 20 = 20
-15x2 = 20

Divide each side by '-15'.
x2 = -1.333333333

Simplifying
x2 = -1.333333333

Reorder the terms:
1.333333333 + x2 = -1.333333333 + 1.333333333

Combine like terms: -1.333333333 + 1.333333333 = 0.000000000
1.333333333 + x2 = 0.000000000

The solution to this equation could not be determined.

See similar equations:

| 30=-6(x+4) | | 5(7x-2y)-4(3y-2x)= | | 9. 30=-6(x+4) | | 14x+18x-8+1=-5x+1-8 | | 9x-2+40=2x+5 | | 62+(4x+26)=180 | | 0.25y-0.28=0.14y-1.25 | | 2x+2y+3z=11 | | 6.4x-15.6=16.4 | | x(x)=11 | | T-8=65 | | -4=4x-1 | | X-4-2x=2-x+x | | 0.3E+1= | | T-6=18 | | 62+(4x+26)= | | x=-180 | | 33=2x+9 | | 3u-8=46 | | -1D=4 | | 4a^2+660a=0 | | 3x+3=-12y | | -2(-x-2)= | | 5-3/4x | | (9x-7)+(8x-4)=180 | | 9x^2+2=-7 | | 6x+6=x+6 | | 2y-12-3y=60 | | X+15=-62 | | 8(2l+8)=20 | | s/-9=16 | | ln(4-3x)-ln(7x)=ln(11) |

Equations solver categories