x^2-10x-133=0

Simple and best practice solution for x^2-10x-133=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 x^2-10x-133=0 equation:


Simplifying
x2 + -10x + -133 = 0

Reorder the terms:
-133 + -10x + x2 = 0

Solving
-133 + -10x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '133' to each side of the equation.
-133 + -10x + 133 + x2 = 0 + 133

Reorder the terms:
-133 + 133 + -10x + x2 = 0 + 133

Combine like terms: -133 + 133 = 0
0 + -10x + x2 = 0 + 133
-10x + x2 = 0 + 133

Combine like terms: 0 + 133 = 133
-10x + x2 = 133

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = 133 + 25

Reorder the terms:
25 + -10x + x2 = 133 + 25

Combine like terms: 133 + 25 = 158
25 + -10x + x2 = 158

Factor a perfect square on the left side:
(x + -5)(x + -5) = 158

Calculate the square root of the right side: 12.56980509

Break this problem into two subproblems by setting 
(x + -5) equal to 12.56980509 and -12.56980509.

Subproblem 1

x + -5 = 12.56980509 Simplifying x + -5 = 12.56980509 Reorder the terms: -5 + x = 12.56980509 Solving -5 + x = 12.56980509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 12.56980509 + 5 Combine like terms: -5 + 5 = 0 0 + x = 12.56980509 + 5 x = 12.56980509 + 5 Combine like terms: 12.56980509 + 5 = 17.56980509 x = 17.56980509 Simplifying x = 17.56980509

Subproblem 2

x + -5 = -12.56980509 Simplifying x + -5 = -12.56980509 Reorder the terms: -5 + x = -12.56980509 Solving -5 + x = -12.56980509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -12.56980509 + 5 Combine like terms: -5 + 5 = 0 0 + x = -12.56980509 + 5 x = -12.56980509 + 5 Combine like terms: -12.56980509 + 5 = -7.56980509 x = -7.56980509 Simplifying x = -7.56980509

Solution

The solution to the problem is based on the solutions from the subproblems. x = {17.56980509, -7.56980509}

See similar equations:

| 6+4(r+2)=r+7 | | x^4-8x^3+9x^2+16x-4=0 | | 9m/8=18 | | Ln(3x-7)=0 | | =(9x+2)+3x | | cosx= | | 3x-7=19+x | | (4x-2xy^2)dx+(x+x^2y)dy=0 | | 2x+20-6x=15 | | ln(10+x)-ln(5)=4 | | 12.5=X*5X*2.5X | | 0.4x*2x^2=5 | | x^2sin1/x | | (x+3)(5x-4)(2x+1)=0 | | 6e^2+5e-6=0 | | 7e^3x+2=21 | | 35-2x=11-10x | | 4x+2x-3x= | | (x-8)(2x-4)=2(x+6)(x-4)+8 | | 5(x+8)+3x-14=2(x-9)-6(x-2)-4 | | k×k^(6/5) | | (2xy+x)dx+(x^2+2y)dy=0 | | 2x+18-4x+2=-4x+16-x+7 | | s=80t-2t | | 5x+8y=38 | | 5(f-3)=2f-6 | | H(t)=-16t^2+11t+s | | 3y-9=-3 | | 3x+38=5x | | 3/7*5.67 | | 3a/bc/4d= | | X+14=X |

Equations solver categories