9x^2-28x+25=0

Simple and best practice solution for 9x^2-28x+25=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^2-28x+25=0 equation:


Simplifying
9x2 + -28x + 25 = 0

Reorder the terms:
25 + -28x + 9x2 = 0

Solving
25 + -28x + 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'.
2.777777778 + -3.111111111x + x2 = 0

Move the constant term to the right:

Add '-2.777777778' to each side of the equation.
2.777777778 + -3.111111111x + -2.777777778 + x2 = 0 + -2.777777778

Reorder the terms:
2.777777778 + -2.777777778 + -3.111111111x + x2 = 0 + -2.777777778

Combine like terms: 2.777777778 + -2.777777778 = 0.000000000
0.000000000 + -3.111111111x + x2 = 0 + -2.777777778
-3.111111111x + x2 = 0 + -2.777777778

Combine like terms: 0 + -2.777777778 = -2.777777778
-3.111111111x + x2 = -2.777777778

The x term is -3.111111111x.  Take half its coefficient (-1.555555556).
Square it (2.419753088) and add it to both sides.

Add '2.419753088' to each side of the equation.
-3.111111111x + 2.419753088 + x2 = -2.777777778 + 2.419753088

Reorder the terms:
2.419753088 + -3.111111111x + x2 = -2.777777778 + 2.419753088

Combine like terms: -2.777777778 + 2.419753088 = -0.35802469
2.419753088 + -3.111111111x + x2 = -0.35802469

Factor a perfect square on the left side:
(x + -1.555555556)(x + -1.555555556) = -0.35802469

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x-.66x=137263 | | 3d-1/2(2d-4)=-5/4(d+4) | | x^2=13x-24 | | x-.34x=137263 | | (1-2x)^1/3=4 | | 2/5y+610 | | x-.35x=9574800 | | x-.35x=10 | | 3x-20=-7x | | 1/3(x+2)=1/9(3x-4) | | (1/3z)(4/5z) | | 5+7lnx=13 | | 3(5s-2)-6=3(8s+4)-3 | | 0.2(g-2)=0.6(g-10) | | -3=4(x-9)-(3x+1) | | 2x+8=12+x | | .26x+4.50=14.75 | | 6/5y-2/3=4 | | (4x/x-3)+5=12/x-3 | | X=7t+-8z | | -12+144=-9-63x | | gx=135 | | 5-2x=2+12 | | X=-8z+7t | | y=8/3(x)-9 | | 1-4x=16-x/-2 | | 6y^2-y+6=0 | | 70f+5=10f-23 | | y=-5/9(x)-7 | | x-2(x+2)-3(x-2)=5 | | 2/5b+1=-1 | | 5+14y-3=8y+22-4y |

Equations solver categories