5x^2-6x+9=0

Simple and best practice solution for 5x^2-6x+9=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 5x^2-6x+9=0 equation:


Simplifying
5x2 + -6x + 9 = 0

Reorder the terms:
9 + -6x + 5x2 = 0

Solving
9 + -6x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
1.8 + -1.2x + x2 = 0

Move the constant term to the right:

Add '-1.8' to each side of the equation.
1.8 + -1.2x + -1.8 + x2 = 0 + -1.8

Reorder the terms:
1.8 + -1.8 + -1.2x + x2 = 0 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 + -1.2x + x2 = 0 + -1.8
-1.2x + x2 = 0 + -1.8

Combine like terms: 0 + -1.8 = -1.8
-1.2x + x2 = -1.8

The x term is -1.2x.  Take half its coefficient (-0.6).
Square it (0.36) and add it to both sides.

Add '0.36' to each side of the equation.
-1.2x + 0.36 + x2 = -1.8 + 0.36

Reorder the terms:
0.36 + -1.2x + x2 = -1.8 + 0.36

Combine like terms: -1.8 + 0.36 = -1.44
0.36 + -1.2x + x2 = -1.44

Factor a perfect square on the left side:
(x + -0.6)(x + -0.6) = -1.44

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 1200+100x=3230-190 | | 5x+13=5-4x | | 4x+10=42 | | -6x/3=-x-10/3 | | 35x+21=28x-105 | | 14x^3-4x^2+28x-8=0 | | t-3(t+4/3)=2t+3 | | 12+1m=4m+21 | | 6n^2+24n-3=-3 | | z^4-2iz^2+1=0 | | x^2+3x-7=-3 | | 14x^4-4x^3+28x^2-8x=0 | | 2yx^2-6x-3y=0 | | 3k^2+3k-60=0 | | y=4x^2-8x+2 | | 2.5b-5=.5b+1 | | 5p^2+40p+80=0 | | af^3+64a= | | 2*4x*3y-4x*y= | | -5/2=-x/3 | | 7x^2-49x+70=0 | | f(x+8)=x^2-8x+9 | | 6X+7=5X+2 | | n^2-8n+15=0 | | 8x-6y+20= | | .67x+.5=x^2 | | 4x^2-15=-7x | | y=x^2-2x-7 | | 1+3=5y+3 | | 15m^2-31m+10=0 | | 2t+8-1t=-3 | | 7-2(9-6)= |

Equations solver categories