0=x^2-2x-33

Simple and best practice solution for 0=x^2-2x-33 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^2-2x-33 equation:


Simplifying
0 = x2 + -2x + -33

Reorder the terms:
0 = -33 + -2x + x2

Solving
0 = -33 + -2x + x2

Solving for variable 'x'.

Combine like terms: 0 + 33 = 33
33 + 2x + -1x2 = -33 + -2x + x2 + 33 + 2x + -1x2

Reorder the terms:
33 + 2x + -1x2 = -33 + 33 + -2x + 2x + x2 + -1x2

Combine like terms: -33 + 33 = 0
33 + 2x + -1x2 = 0 + -2x + 2x + x2 + -1x2
33 + 2x + -1x2 = -2x + 2x + x2 + -1x2

Combine like terms: -2x + 2x = 0
33 + 2x + -1x2 = 0 + x2 + -1x2
33 + 2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
33 + 2x + -1x2 = 0

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

Divide each side by '-1'.
-33 + -2x + x2 = 0

Move the constant term to the right:

Add '33' to each side of the equation.
-33 + -2x + 33 + x2 = 0 + 33

Reorder the terms:
-33 + 33 + -2x + x2 = 0 + 33

Combine like terms: -33 + 33 = 0
0 + -2x + x2 = 0 + 33
-2x + x2 = 0 + 33

Combine like terms: 0 + 33 = 33
-2x + x2 = 33

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 33 + 1

Reorder the terms:
1 + -2x + x2 = 33 + 1

Combine like terms: 33 + 1 = 34
1 + -2x + x2 = 34

Factor a perfect square on the left side:
(x + -1)(x + -1) = 34

Calculate the square root of the right side: 5.830951895

Break this problem into two subproblems by setting 
(x + -1) equal to 5.830951895 and -5.830951895.

Subproblem 1

x + -1 = 5.830951895 Simplifying x + -1 = 5.830951895 Reorder the terms: -1 + x = 5.830951895 Solving -1 + x = 5.830951895 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 5.830951895 + 1 Combine like terms: -1 + 1 = 0 0 + x = 5.830951895 + 1 x = 5.830951895 + 1 Combine like terms: 5.830951895 + 1 = 6.830951895 x = 6.830951895 Simplifying x = 6.830951895

Subproblem 2

x + -1 = -5.830951895 Simplifying x + -1 = -5.830951895 Reorder the terms: -1 + x = -5.830951895 Solving -1 + x = -5.830951895 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -5.830951895 + 1 Combine like terms: -1 + 1 = 0 0 + x = -5.830951895 + 1 x = -5.830951895 + 1 Combine like terms: -5.830951895 + 1 = -4.830951895 x = -4.830951895 Simplifying x = -4.830951895

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.830951895, -4.830951895}

See similar equations:

| 5y+2(y-2)=5(y+1)-4 | | z=11x+5y | | -5.6v=140 | | 0=84 | | cosx(2cosx+1)=1 | | (-3x+4)(2-x)(5x+1)=0 | | 4(-11x+7)= | | -17+7=-5(x+6) | | (x^2+2x+1)(x+3+3i)=0 | | 2x+2y=1o | | 16+x=39 | | (4+y)-9=18 | | 2y=y^2-26 | | -30z-0.1=-40z+1.8 | | (4y-y)+9=18 | | x^3+(7-4i)x^2+(12-28i)x-48i=0 | | (4y+y)+9=18 | | 3x-6=-8x+16 | | 1.1x+1.5*0=-7.7 | | (2000-y)+2y+(2400-y)=4400 | | 0.6-0.5(6x-2)=0.3(2-2x) | | 3m+7m+10=10 | | X=6x-20 | | 17=(4z+3z)-11 | | x+2y+2z=29 | | 17=11-(4z+4z) | | (x-3+3i)(x+3-3i)=0 | | (x+3+3i)(x+3+3i)=0 | | -0.25+3x=8.75 | | -5x(2x-9)=2(x-8)-11 | | f(x)=8ln(16x-10)+7 | | 4x^7-28x^6=-48x^3 |

Equations solver categories