9x^2-7x+108=0

Simple and best practice solution for 9x^2-7x+108=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 9x^2-7x+108=0 equation:


Simplifying
9x2 + -7x + 108 = 0

Reorder the terms:
108 + -7x + 9x2 = 0

Solving
108 + -7x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
12 + -0.7777777778x + x2 = 0

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + -0.7777777778x + -12 + x2 = 0 + -12

Reorder the terms:
12 + -12 + -0.7777777778x + x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -0.7777777778x + x2 = 0 + -12
-0.7777777778x + x2 = 0 + -12

Combine like terms: 0 + -12 = -12
-0.7777777778x + x2 = -12

The x term is -0.7777777778x.  Take half its coefficient (-0.3888888889).
Square it (0.1512345679) and add it to both sides.

Add '0.1512345679' to each side of the equation.
-0.7777777778x + 0.1512345679 + x2 = -12 + 0.1512345679

Reorder the terms:
0.1512345679 + -0.7777777778x + x2 = -12 + 0.1512345679

Combine like terms: -12 + 0.1512345679 = -11.8487654321
0.1512345679 + -0.7777777778x + x2 = -11.8487654321

Factor a perfect square on the left side:
(x + -0.3888888889)(x + -0.3888888889) = -11.8487654321

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| a^2-16a=-64 | | (y-2)(y-3)=9y+6 | | 4k^2-16=0 | | t^2+t-30=0 | | 5k^2=2k+18 | | (2b+7)(b-7)=0 | | 12x^2+29x-5=3 | | 3t^2-4t=0 | | a^2=121 | | 64y^6-80y^3+25= | | -1=-x^2 | | 2.5x+.25x=1.75+x | | 4-3x+5=5x+2x-1 | | 8t^2+6t=35 | | 13y^4=26y | | .20x-.2=.10x+1-0.5x | | (-8x)(20)= | | a^3=9a | | 4x-6=-2x+14 | | x^2+13x+7=0 | | 6x-23=-13+8x | | 36=k^2 | | -(3y+1)-(-2y-8)=0 | | 0=3m^2-6m | | x-0.7=8.94 | | 1-8x= | | Y=500+0.75Y+1000+1000+200 | | 6x-(3x+3)=12 | | -3(x-2)=30.08 | | 8x-8y=11 | | 3x^2-3=-30 | | 2x+6=4x-12 |

Equations solver categories