x^2-11x+2=121x^2

Simple and best practice solution for x^2-11x+2=121x^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^2-11x+2=121x^2 equation:


Simplifying
x2 + -11x + 2 = 121x2

Reorder the terms:
2 + -11x + x2 = 121x2

Solving
2 + -11x + x2 = 121x2

Solving for variable 'x'.

Combine like terms: x2 + -121x2 = -120x2
2 + -11x + -120x2 = 121x2 + -121x2

Combine like terms: 121x2 + -121x2 = 0
2 + -11x + -120x2 = 0

Begin completing the square.  Divide all terms by
-120 the coefficient of the squared term: 

Divide each side by '-120'.
-0.01666666667 + 0.09166666667x + x2 = 0.0

Move the constant term to the right:

Add '0.01666666667' to each side of the equation.
-0.01666666667 + 0.09166666667x + 0.01666666667 + x2 = 0.0 + 0.01666666667

Reorder the terms:
-0.01666666667 + 0.01666666667 + 0.09166666667x + x2 = 0.0 + 0.01666666667

Combine like terms: -0.01666666667 + 0.01666666667 = 0.00000000000
0.00000000000 + 0.09166666667x + x2 = 0.0 + 0.01666666667
0.09166666667x + x2 = 0.0 + 0.01666666667

Combine like terms: 0.0 + 0.01666666667 = 0.01666666667
0.09166666667x + x2 = 0.01666666667

The x term is 0.09166666667x.  Take half its coefficient (0.04583333334).
Square it (0.002100694445) and add it to both sides.

Add '0.002100694445' to each side of the equation.
0.09166666667x + 0.002100694445 + x2 = 0.01666666667 + 0.002100694445

Reorder the terms:
0.002100694445 + 0.09166666667x + x2 = 0.01666666667 + 0.002100694445

Combine like terms: 0.01666666667 + 0.002100694445 = 0.018767361115
0.002100694445 + 0.09166666667x + x2 = 0.018767361115

Factor a perfect square on the left side:
(x + 0.04583333334)(x + 0.04583333334) = 0.018767361115

Calculate the square root of the right side: 0.136994019

Break this problem into two subproblems by setting 
(x + 0.04583333334) equal to 0.136994019 and -0.136994019.

Subproblem 1

x + 0.04583333334 = 0.136994019 Simplifying x + 0.04583333334 = 0.136994019 Reorder the terms: 0.04583333334 + x = 0.136994019 Solving 0.04583333334 + x = 0.136994019 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.04583333334' to each side of the equation. 0.04583333334 + -0.04583333334 + x = 0.136994019 + -0.04583333334 Combine like terms: 0.04583333334 + -0.04583333334 = 0.00000000000 0.00000000000 + x = 0.136994019 + -0.04583333334 x = 0.136994019 + -0.04583333334 Combine like terms: 0.136994019 + -0.04583333334 = 0.09116068566 x = 0.09116068566 Simplifying x = 0.09116068566

Subproblem 2

x + 0.04583333334 = -0.136994019 Simplifying x + 0.04583333334 = -0.136994019 Reorder the terms: 0.04583333334 + x = -0.136994019 Solving 0.04583333334 + x = -0.136994019 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.04583333334' to each side of the equation. 0.04583333334 + -0.04583333334 + x = -0.136994019 + -0.04583333334 Combine like terms: 0.04583333334 + -0.04583333334 = 0.00000000000 0.00000000000 + x = -0.136994019 + -0.04583333334 x = -0.136994019 + -0.04583333334 Combine like terms: -0.136994019 + -0.04583333334 = -0.18282735234 x = -0.18282735234 Simplifying x = -0.18282735234

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.09116068566, -0.18282735234}

See similar equations:

| 5(p+5)-5p=25 | | 3n+4=3n-2 | | 2+st-3=34 | | -3(n+2)=-3-3n | | Y=-6.6-7.7x | | -5y+10+3x=0 | | 3-2x=4x-3 | | 2+4p=2p+2 | | 5x-3.5=.2x-.5 | | log[2](x[2]+7x+12)-log[2](3x+12)=1 | | -2+3k=-5k+6k | | 54=10x-6 | | 4x^2+34x+0= | | -2/5p+2=1/5p+6 | | 23x+18y=100 | | 9(8t+1)-15=t-(t+5) | | 4a+6=5a+9 | | 7+u+5u+2= | | 3(2b-1)=6b-10 | | 6v^2=9-7v | | 8+4n=5+n | | m+4(m-1)=11 | | X+3x-7=21 | | 5a-18-4*4=-36 | | -4x=1-6x+3 | | A=HQ | | 5x+2x-9=20 | | 32+3n=7-7(-8n+4) | | 5*6-18-4*4=-36 | | 3(x+2)+2x+(x+1)=126 | | 154-8.50+3.25x=600 | | 13(13)-12(12)=x(x) |

Equations solver categories