x^2+33x-13=

Simple and best practice solution for x^2+33x-13= 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+33x-13= equation:


Simplifying
x2 + 33x + -13 = 0

Reorder the terms:
-13 + 33x + x2 = 0

Solving
-13 + 33x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '13' to each side of the equation.
-13 + 33x + 13 + x2 = 0 + 13

Reorder the terms:
-13 + 13 + 33x + x2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 33x + x2 = 0 + 13
33x + x2 = 0 + 13

Combine like terms: 0 + 13 = 13
33x + x2 = 13

The x term is 33x.  Take half its coefficient (16.5).
Square it (272.25) and add it to both sides.

Add '272.25' to each side of the equation.
33x + 272.25 + x2 = 13 + 272.25

Reorder the terms:
272.25 + 33x + x2 = 13 + 272.25

Combine like terms: 13 + 272.25 = 285.25
272.25 + 33x + x2 = 285.25

Factor a perfect square on the left side:
(x + 16.5)(x + 16.5) = 285.25

Calculate the square root of the right side: 16.889345754

Break this problem into two subproblems by setting 
(x + 16.5) equal to 16.889345754 and -16.889345754.

Subproblem 1

x + 16.5 = 16.889345754 Simplifying x + 16.5 = 16.889345754 Reorder the terms: 16.5 + x = 16.889345754 Solving 16.5 + x = 16.889345754 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16.5' to each side of the equation. 16.5 + -16.5 + x = 16.889345754 + -16.5 Combine like terms: 16.5 + -16.5 = 0.0 0.0 + x = 16.889345754 + -16.5 x = 16.889345754 + -16.5 Combine like terms: 16.889345754 + -16.5 = 0.389345754 x = 0.389345754 Simplifying x = 0.389345754

Subproblem 2

x + 16.5 = -16.889345754 Simplifying x + 16.5 = -16.889345754 Reorder the terms: 16.5 + x = -16.889345754 Solving 16.5 + x = -16.889345754 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16.5' to each side of the equation. 16.5 + -16.5 + x = -16.889345754 + -16.5 Combine like terms: 16.5 + -16.5 = 0.0 0.0 + x = -16.889345754 + -16.5 x = -16.889345754 + -16.5 Combine like terms: -16.889345754 + -16.5 = -33.389345754 x = -33.389345754 Simplifying x = -33.389345754

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.389345754, -33.389345754}

See similar equations:

| 13+0.5Q=29-0.3Q | | 12am=4fora | | 1/4-9/x | | 60x=63x | | 12x+15=6x-15 | | 12x-10-6x=2x+14-8x | | 21/5=x/16 | | 3x+4=145 | | 8k=6x-26 | | -6(y-2)=2 | | 21-x-36=-x-15-x | | 2=-6(y-2) | | k/-1-3=-5 | | 94=19/4-18 | | -4h-8=-4 | | y=2.2+1.4x | | -3x-5-4x=-6x-6-6x | | (3x+4)=(x+6) | | 7l+13=-15 | | 4/5x-2=3 | | 2x^4-3x^3-13x^2+37x-15=0 | | 5x-2-6x=3x-7-7x | | h/-5-1=2 | | 10(3)+2y=2 | | 6y+x=8solvey | | 8x-1/3-2=3 | | n-.5=1.537 | | h/-5-2=2 | | (3x-30)=15 | | .2x+3.6=7.4 | | 2w+2l=18 | | 5+0.5Q=15-0.5Q |

Equations solver categories