9x^2-22x+45=0

Simple and best practice solution for 9x^2-22x+45=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^2-22x+45=0 equation:


Simplifying
9x2 + -22x + 45 = 0

Reorder the terms:
45 + -22x + 9x2 = 0

Solving
45 + -22x + 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'.
5 + -2.444444444x + x2 = 0

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + -2.444444444x + -5 + x2 = 0 + -5

Reorder the terms:
5 + -5 + -2.444444444x + x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -2.444444444x + x2 = 0 + -5
-2.444444444x + x2 = 0 + -5

Combine like terms: 0 + -5 = -5
-2.444444444x + x2 = -5

The x term is -2.444444444x.  Take half its coefficient (-1.222222222).
Square it (1.493827160) and add it to both sides.

Add '1.493827160' to each side of the equation.
-2.444444444x + 1.493827160 + x2 = -5 + 1.493827160

Reorder the terms:
1.493827160 + -2.444444444x + x2 = -5 + 1.493827160

Combine like terms: -5 + 1.493827160 = -3.50617284
1.493827160 + -2.444444444x + x2 = -3.50617284

Factor a perfect square on the left side:
(x + -1.222222222)(x + -1.222222222) = -3.50617284

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 17x+3=5x+7 | | y^2-6x+7=0 | | -4/3=(1/4)x-8/5 | | 3/7x28 | | 3(5h-6)=72 | | 8-12=z/-7 | | 3xy+6x-5y-10= | | 54-3x=12-9x | | 9w-11w=14 | | 3v+4=12-v | | 7-8x-3=-66+4x-14 | | 0.25x+5=0.25x-3 | | 34+p-112=78-7 | | -7x+7=-21 | | 2-6x/2 | | -4/3=(1/4)x-1/8 | | (7/2)*x*y=36 | | 8-9x-4=-42+5x-10 | | 1x-4.36x=68.60 | | 20=(-4/5)x | | (3x-2)=88 | | -2x-13=7x+14 | | ay+4=dy-5 | | 6-5=4-3 | | (3a)(2a-25)=180 | | 5x-5y=-40 | | 21x+14=-7y | | .79x+.29=x | | -5+15=17x-3-16x | | y+0.2=0.4y+2 | | 2x+16+3x-72+120-x=360 | | 14=(-7/4)u |

Equations solver categories