6x^2-x=-9

Simple and best practice solution for 6x^2-x=-9 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 6x^2-x=-9 equation:


Simplifying
6x2 + -1x = -9

Reorder the terms:
-1x + 6x2 = -9

Solving
-1x + 6x2 = -9

Solving for variable 'x'.

Reorder the terms:
9 + -1x + 6x2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + -1x + 6x2 = 0

Begin completing the square.  Divide all terms by
6 the coefficient of the squared term: 

Divide each side by '6'.
1.5 + -0.1666666667x + x2 = 0

Move the constant term to the right:

Add '-1.5' to each side of the equation.
1.5 + -0.1666666667x + -1.5 + x2 = 0 + -1.5

Reorder the terms:
1.5 + -1.5 + -0.1666666667x + x2 = 0 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -0.1666666667x + x2 = 0 + -1.5
-0.1666666667x + x2 = 0 + -1.5

Combine like terms: 0 + -1.5 = -1.5
-0.1666666667x + x2 = -1.5

The x term is -0.1666666667x.  Take half its coefficient (-0.08333333335).
Square it (0.006944444447) and add it to both sides.

Add '0.006944444447' to each side of the equation.
-0.1666666667x + 0.006944444447 + x2 = -1.5 + 0.006944444447

Reorder the terms:
0.006944444447 + -0.1666666667x + x2 = -1.5 + 0.006944444447

Combine like terms: -1.5 + 0.006944444447 = -1.493055555553
0.006944444447 + -0.1666666667x + x2 = -1.493055555553

Factor a perfect square on the left side:
(x + -0.08333333335)(x + -0.08333333335) = -1.493055555553

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -6.07+00.2x=-5.767 | | -x+1=-4x-3 | | f(x)=4x^2-1 | | 1/2x-4/5=-7/10(x-3) | | 46+6n=73 | | x+80+x-5+x=180 | | x=17+7 | | V=3.14r^2(25) | | 2x+6(x-3)=2x+1(x+9) | | 2x+6(x-5.11)=2x+1(x+9) | | 2x+6(x-5.5)=2x+1(x+9) | | -6(u+1)=2(1-3u)-u | | 10(x-3)/20 | | 2x+6(x-5)=2x+1(x+9) | | 2x+6(x+5)=2x+1(x+9) | | 5x=x^2-10 | | 12-5x=x(9-18)+4 | | 3+2(3x-5)=7-3(2x+1) | | 8x+3=7x+2 | | 10y-2=20y+48 | | 3tan(x)=1 | | 83+x=90 | | 2x(25-3y)=15 | | 3(6x-1)=5(5x-4) | | 5(8x-11y)-4(-2x-5y)= | | W-3xw-8= | | 3/5x1/2x34 | | Q=2N+2T | | 2a-33+a-3=90 | | -1(-6)(-6)(5)= | | 4(3x+3)-5= | | 12k^3+11k^2+2k=0 |

Equations solver categories