204=x^2+6x

Simple and best practice solution for 204=x^2+6x 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 204=x^2+6x equation:


Simplifying
204 = x2 + 6x

Reorder the terms:
204 = 6x + x2

Solving
204 = 6x + x2

Solving for variable 'x'.

Reorder the terms:
204 + -6x + -1x2 = 6x + -6x + x2 + -1x2

Combine like terms: 6x + -6x = 0
204 + -6x + -1x2 = 0 + x2 + -1x2
204 + -6x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
204 + -6x + -1x2 = 0

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

Divide each side by '-1'.
-204 + 6x + x2 = 0

Move the constant term to the right:

Add '204' to each side of the equation.
-204 + 6x + 204 + x2 = 0 + 204

Reorder the terms:
-204 + 204 + 6x + x2 = 0 + 204

Combine like terms: -204 + 204 = 0
0 + 6x + x2 = 0 + 204
6x + x2 = 0 + 204

Combine like terms: 0 + 204 = 204
6x + x2 = 204

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = 204 + 9

Reorder the terms:
9 + 6x + x2 = 204 + 9

Combine like terms: 204 + 9 = 213
9 + 6x + x2 = 213

Factor a perfect square on the left side:
(x + 3)(x + 3) = 213

Calculate the square root of the right side: 14.594519519

Break this problem into two subproblems by setting 
(x + 3) equal to 14.594519519 and -14.594519519.

Subproblem 1

x + 3 = 14.594519519 Simplifying x + 3 = 14.594519519 Reorder the terms: 3 + x = 14.594519519 Solving 3 + x = 14.594519519 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 14.594519519 + -3 Combine like terms: 3 + -3 = 0 0 + x = 14.594519519 + -3 x = 14.594519519 + -3 Combine like terms: 14.594519519 + -3 = 11.594519519 x = 11.594519519 Simplifying x = 11.594519519

Subproblem 2

x + 3 = -14.594519519 Simplifying x + 3 = -14.594519519 Reorder the terms: 3 + x = -14.594519519 Solving 3 + x = -14.594519519 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -14.594519519 + -3 Combine like terms: 3 + -3 = 0 0 + x = -14.594519519 + -3 x = -14.594519519 + -3 Combine like terms: -14.594519519 + -3 = -17.594519519 x = -17.594519519 Simplifying x = -17.594519519

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.594519519, -17.594519519}

See similar equations:

| 86=6-8x | | 2.8y+0.2y=5y-14 | | 4v-12=-4(v+9) | | 5(2x+1)=-15 | | X^6/7=729 | | -x+16=24 | | 3π/7 | | 5(-4x-6)=-150 | | 3pie/7 | | -3x+5=-91+5x | | 1/2x+5=2 | | -2x-7=-4x+12 | | 2/3x-5=2 | | 2x-78=4x+12 | | .81=ln(x) | | 2x^2+12x+6= | | ×/5-13/4=×/10-1/20 | | 2x^(4/3)=162 | | 77=-7x-5x+5 | | 3+2z-1=8z+20-4z | | 0+5x=20 | | -1x-4x=26-9 | | 50x+40x=1 | | 2x^2+8x+y^2+y+z^2+2z=0 | | 26=-x-4x-9 | | ln*2x=1.5 | | f(x)=x^3-4x^2-7x+8 | | 4(1+5x)+5=13+5x | | 49x^2+67x+16=0 | | 9y-19=-54+4y | | x(9x-3)=(9x+7)(x-1) | | (2(z-8))/12=3/2 |

Equations solver categories