9x^2-52x+4=0

Simple and best practice solution for 9x^2-52x+4=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^2-52x+4=0 equation:


Simplifying
9x2 + -52x + 4 = 0

Reorder the terms:
4 + -52x + 9x2 = 0

Solving
4 + -52x + 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'.
0.4444444444 + -5.777777778x + x2 = 0

Move the constant term to the right:

Add '-0.4444444444' to each side of the equation.
0.4444444444 + -5.777777778x + -0.4444444444 + x2 = 0 + -0.4444444444

Reorder the terms:
0.4444444444 + -0.4444444444 + -5.777777778x + x2 = 0 + -0.4444444444

Combine like terms: 0.4444444444 + -0.4444444444 = 0.0000000000
0.0000000000 + -5.777777778x + x2 = 0 + -0.4444444444
-5.777777778x + x2 = 0 + -0.4444444444

Combine like terms: 0 + -0.4444444444 = -0.4444444444
-5.777777778x + x2 = -0.4444444444

The x term is -5.777777778x.  Take half its coefficient (-2.888888889).
Square it (8.345679013) and add it to both sides.

Add '8.345679013' to each side of the equation.
-5.777777778x + 8.345679013 + x2 = -0.4444444444 + 8.345679013

Reorder the terms:
8.345679013 + -5.777777778x + x2 = -0.4444444444 + 8.345679013

Combine like terms: -0.4444444444 + 8.345679013 = 7.9012345686
8.345679013 + -5.777777778x + x2 = 7.9012345686

Factor a perfect square on the left side:
(x + -2.888888889)(x + -2.888888889) = 7.9012345686

Calculate the square root of the right side: 2.810913476

Break this problem into two subproblems by setting 
(x + -2.888888889) equal to 2.810913476 and -2.810913476.

Subproblem 1

x + -2.888888889 = 2.810913476 Simplifying x + -2.888888889 = 2.810913476 Reorder the terms: -2.888888889 + x = 2.810913476 Solving -2.888888889 + x = 2.810913476 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.888888889' to each side of the equation. -2.888888889 + 2.888888889 + x = 2.810913476 + 2.888888889 Combine like terms: -2.888888889 + 2.888888889 = 0.000000000 0.000000000 + x = 2.810913476 + 2.888888889 x = 2.810913476 + 2.888888889 Combine like terms: 2.810913476 + 2.888888889 = 5.699802365 x = 5.699802365 Simplifying x = 5.699802365

Subproblem 2

x + -2.888888889 = -2.810913476 Simplifying x + -2.888888889 = -2.810913476 Reorder the terms: -2.888888889 + x = -2.810913476 Solving -2.888888889 + x = -2.810913476 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.888888889' to each side of the equation. -2.888888889 + 2.888888889 + x = -2.810913476 + 2.888888889 Combine like terms: -2.888888889 + 2.888888889 = 0.000000000 0.000000000 + x = -2.810913476 + 2.888888889 x = -2.810913476 + 2.888888889 Combine like terms: -2.810913476 + 2.888888889 = 0.077975413 x = 0.077975413 Simplifying x = 0.077975413

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.699802365, 0.077975413}

See similar equations:

| y^2=7y-12 | | 9x^2-52x+164=0 | | 64x^2+36y^2=25 | | 4x-12=-2x | | x^2-117x+2916=0 | | z/8-4=6-1/8z | | x^2-117x=2916 | | x^2+6x-5= | | -(y+2)=4 | | 31-4x=71+2x | | 15y^2-11y+2=0 | | a^2+10-74=0 | | 3x-7+4x-16=180 | | 3m+4p+6m=9 | | 2x-5+12x=180 | | X^2+X-13=2x-1 | | 4x1/16 | | -3-7x=-x-51 | | x^5-81x^2=0 | | -35=15p | | 7a-4=4 | | 3/4z=2/3 | | 18+x=12 | | -5x+7=7+3x | | 1=2x^2+16x | | 91/4*15 | | 4-4x-7x=-18 | | 7(3n+4)=9(8n+3)+7 | | -7x+1-6x=x-90 | | 2x+4=-6x+44 | | 0=5x^2-55x+25 | | 0.1-0.02(x+2)=-0.02(1-x) |

Equations solver categories