-0.5x^2+36x-206=0

Simple and best practice solution for -0.5x^2+36x-206=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 -0.5x^2+36x-206=0 equation:


Simplifying
-0.5x2 + 36x + -206 = 0

Reorder the terms:
-206 + 36x + -0.5x2 = 0

Solving
-206 + 36x + -0.5x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.5 the coefficient of the squared term: 

Divide each side by '-0.5'.
412 + -72x + x2 = 0

Move the constant term to the right:

Add '-412' to each side of the equation.
412 + -72x + -412 + x2 = 0 + -412

Reorder the terms:
412 + -412 + -72x + x2 = 0 + -412

Combine like terms: 412 + -412 = 0
0 + -72x + x2 = 0 + -412
-72x + x2 = 0 + -412

Combine like terms: 0 + -412 = -412
-72x + x2 = -412

The x term is -72x.  Take half its coefficient (-36).
Square it (1296) and add it to both sides.

Add '1296' to each side of the equation.
-72x + 1296 + x2 = -412 + 1296

Reorder the terms:
1296 + -72x + x2 = -412 + 1296

Combine like terms: -412 + 1296 = 884
1296 + -72x + x2 = 884

Factor a perfect square on the left side:
(x + -36)(x + -36) = 884

Calculate the square root of the right side: 29.732137495

Break this problem into two subproblems by setting 
(x + -36) equal to 29.732137495 and -29.732137495.

Subproblem 1

x + -36 = 29.732137495 Simplifying x + -36 = 29.732137495 Reorder the terms: -36 + x = 29.732137495 Solving -36 + x = 29.732137495 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '36' to each side of the equation. -36 + 36 + x = 29.732137495 + 36 Combine like terms: -36 + 36 = 0 0 + x = 29.732137495 + 36 x = 29.732137495 + 36 Combine like terms: 29.732137495 + 36 = 65.732137495 x = 65.732137495 Simplifying x = 65.732137495

Subproblem 2

x + -36 = -29.732137495 Simplifying x + -36 = -29.732137495 Reorder the terms: -36 + x = -29.732137495 Solving -36 + x = -29.732137495 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '36' to each side of the equation. -36 + 36 + x = -29.732137495 + 36 Combine like terms: -36 + 36 = 0 0 + x = -29.732137495 + 36 x = -29.732137495 + 36 Combine like terms: -29.732137495 + 36 = 6.267862505 x = 6.267862505 Simplifying x = 6.267862505

Solution

The solution to the problem is based on the solutions from the subproblems. x = {65.732137495, 6.267862505}

See similar equations:

| 9x^2+x-2=0 | | 9e^6x=117 | | 9(3-2x)=2(10-8) | | 2x+7x-x=18 | | X^5-5x+3.1=0 | | 5(2b-14)=5(b+1) | | -5x+6=2x+8 | | 5(2b+14)=5(b+1) | | 0.4(6+12)=1.2-(x+2) | | 3n*(5n^2+3)= | | 16t^2-22t+7=0 | | =3x^4sin(7x) | | 9n+15n^3= | | =3x^4son(7x) | | x=(6)(0)(5) | | (5v-6)(v-7)=0 | | -t^2+[10t+2(2-4t^2)]= | | 14m-30=-1m+30+13m | | h=2+29t-16t^2 | | 8h+6=86 | | x^2+y^2-2x+4y+5=0 | | 10(y-8)=0 | | 8x=1b | | 4m+6=42 | | 3x-2x*lnx=0 | | 74-12x=2 | | 2x^2-10x-6= | | Y=e^6x | | 6.94+x=3.95 | | 4x+4=84 | | N+3.5=-4.3 | | 0=x^2-4x-40 |

Equations solver categories