6x^2-2x=-9

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


Simplifying
6x2 + -2x = -9

Reorder the terms:
-2x + 6x2 = -9

Solving
-2x + 6x2 = -9

Solving for variable 'x'.

Reorder the terms:
9 + -2x + 6x2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + -2x + 6x2 = 0

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

Divide each side by '6'.
1.5 + -0.3333333333x + x2 = 0

Move the constant term to the right:

Add '-1.5' to each side of the equation.
1.5 + -0.3333333333x + -1.5 + x2 = 0 + -1.5

Reorder the terms:
1.5 + -1.5 + -0.3333333333x + x2 = 0 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -0.3333333333x + x2 = 0 + -1.5
-0.3333333333x + x2 = 0 + -1.5

Combine like terms: 0 + -1.5 = -1.5
-0.3333333333x + x2 = -1.5

The x term is -0.3333333333x.  Take half its coefficient (-0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
-0.3333333333x + 0.02777777779 + x2 = -1.5 + 0.02777777779

Reorder the terms:
0.02777777779 + -0.3333333333x + x2 = -1.5 + 0.02777777779

Combine like terms: -1.5 + 0.02777777779 = -1.47222222221
0.02777777779 + -0.3333333333x + x2 = -1.47222222221

Factor a perfect square on the left side:
(x + -0.1666666667)(x + -0.1666666667) = -1.47222222221

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5[x+(x+1)+(x+2)]=5x+(5x+5)+(5x+10) | | y=8x^2+7x+6 | | 8x=5x+11 | | (x-1)+x+(x+1)=(x-5)+x+(x+5) | | 1+a*-9-4=0 | | 18-x*3=-7 | | (6x+3)+(3x+4)=17 | | U*-9-8=-4 | | R*3-16=2 | | 4(x-2)=2+3(2x-3) | | x+9+14+19=x+13+14+15 | | X*8+7=9 | | 72-4a=-12a | | 4x-14=54 | | 9x+14x+19x=13x+14x+15x | | V*-6+1=0 | | x+20=-9x | | R*3-4=2 | | 3x-3=5+6x | | 15x-30=8x+42 | | 15x+30=8x+42 | | 3n-5=n+3 | | mk+mn=x | | 5x-25=2x+5 | | 8x+18=14x+28 | | 1.5g=75 | | -16=8d | | 4(2x^2+3x-9)-3(x^2-5x+2)= | | mn+2n+n^2+2m= | | 2(90-p)-(p-50)=(p+30)-(p+10) | | 4(z-8)-2(z-9)=7(z-57) | | 1.6+N-3.2=-2+5.6 |

Equations solver categories