0=x^2-5x+9

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


Simplifying
0 = x2 + -5x + 9

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

Solving
0 = 9 + -5x + x2

Solving for variable 'x'.

Combine like terms: 0 + -9 = -9
-9 + 5x + -1x2 = 9 + -5x + x2 + -9 + 5x + -1x2

Reorder the terms:
-9 + 5x + -1x2 = 9 + -9 + -5x + 5x + x2 + -1x2

Combine like terms: 9 + -9 = 0
-9 + 5x + -1x2 = 0 + -5x + 5x + x2 + -1x2
-9 + 5x + -1x2 = -5x + 5x + x2 + -1x2

Combine like terms: -5x + 5x = 0
-9 + 5x + -1x2 = 0 + x2 + -1x2
-9 + 5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-9 + 5x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
9 + -5x + x2 = 0

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + -5x + -9 + x2 = 0 + -9

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

Combine like terms: 9 + -9 = 0
0 + -5x + x2 = 0 + -9
-5x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
-5x + x2 = -9

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -9 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -9 + 6.25

Combine like terms: -9 + 6.25 = -2.75
6.25 + -5x + x2 = -2.75

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -2.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3x+8=22-7x | | 162-6x=5x+19 | | 3t(t-5)+10+2(t-2)=0 | | 7t=10t-15 | | 9+10x=81x | | (4y-7)(8+y)=0 | | x+23+3x=-31-3x-37 | | 50=5(2p+3) | | -31=-7y+5(y-7) | | 4x^2-44=1843 | | 2x+-5y=1 | | x^2=65 | | 3(m+2)=2m+3 | | -3(4-2n)=18 | | X^2=-2 | | 9r+21=156 | | 60=6(4-2d) | | 6y+87=147 | | 3b+6=36 | | x^2+12x-35=0 | | 214=6n+16 | | 6x+7=7+6x | | 3x-4=7x+8 | | 27-9x=24-x | | -8x+5=3 | | 7=a+4 | | 4*6= | | x^2-x-20=o | | -13x-20=-12x+40 | | 0.5(x+1+x+2)x=10 | | 4(7+2r)=92 | | 8r+10=14 |

Equations solver categories