x*x-6x+9=-3.2

Simple and best practice solution for x*x-6x+9=-3.2 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 x*x-6x+9=-3.2 equation:


Simplifying
x * x + -6x + 9 = -3.2

Multiply x * x
x2 + -6x + 9 = -3.2

Reorder the terms:
9 + -6x + x2 = -3.2

Solving
9 + -6x + x2 = -3.2

Solving for variable 'x'.

Reorder the terms:
9 + 3.2 + -6x + x2 = -3.2 + 3.2

Combine like terms: 9 + 3.2 = 12.2
12.2 + -6x + x2 = -3.2 + 3.2

Combine like terms: -3.2 + 3.2 = 0.0
12.2 + -6x + x2 = 0.0

Begin completing the square.

Move the constant term to the right:

Add '-12.2' to each side of the equation.
12.2 + -6x + -12.2 + x2 = 0.0 + -12.2

Reorder the terms:
12.2 + -12.2 + -6x + x2 = 0.0 + -12.2

Combine like terms: 12.2 + -12.2 = 0.0
0.0 + -6x + x2 = 0.0 + -12.2
-6x + x2 = 0.0 + -12.2

Combine like terms: 0.0 + -12.2 = -12.2
-6x + x2 = -12.2

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = -12.2 + 9

Reorder the terms:
9 + -6x + x2 = -12.2 + 9

Combine like terms: -12.2 + 9 = -3.2
9 + -6x + x2 = -3.2

Factor a perfect square on the left side:
(x + -3)(x + -3) = -3.2

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 161=100-y | | 9k=10-k;-1 | | 241=-u+139 | | 8(-16)-2y=-16 | | 1/2x+1=7x-14 | | 220-x=112 | | 9x+24=-3x | | 40-u=215 | | 12/x5=18 | | 20.5=w/360 | | (x-5)(x+6)=72 | | 8x-2y=-16 | | 4x^2=152 | | (x+5)(x-6)=72 | | -5x^2-2x-7=0 | | 2+x-6=-12 | | 3/-x=2 | | 4m^2+m^10= | | 2(x+1)+x+4=-30 | | 14x-8x= | | 6/x=2 | | y=-5/4x10 | | 3/7x+9=30 | | 9*1+3m=-15 | | 12k-3k+5=48 | | x^3+ax^2-5x-6=0 | | 51=2x+5 | | m=-5+-3x | | 5/x+7+1=4/x-7 | | 120y=-60 | | 9x+3m=-15 | | 8/x-2=4/x+1 |

Equations solver categories