3x^2-0.5x=56.5

Simple and best practice solution for 3x^2-0.5x=56.5 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 3x^2-0.5x=56.5 equation:


Simplifying
3x2 + -0.5x = 56.5

Reorder the terms:
-0.5x + 3x2 = 56.5

Solving
-0.5x + 3x2 = 56.5

Solving for variable 'x'.

Reorder the terms:
-56.5 + -0.5x + 3x2 = 56.5 + -56.5

Combine like terms: 56.5 + -56.5 = 0.0
-56.5 + -0.5x + 3x2 = 0.0

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

Divide each side by '3'.
-18.83333333 + -0.1666666667x + x2 = 0.0

Move the constant term to the right:

Add '18.83333333' to each side of the equation.
-18.83333333 + -0.1666666667x + 18.83333333 + x2 = 0.0 + 18.83333333

Reorder the terms:
-18.83333333 + 18.83333333 + -0.1666666667x + x2 = 0.0 + 18.83333333

Combine like terms: -18.83333333 + 18.83333333 = 0.00000000
0.00000000 + -0.1666666667x + x2 = 0.0 + 18.83333333
-0.1666666667x + x2 = 0.0 + 18.83333333

Combine like terms: 0.0 + 18.83333333 = 18.83333333
-0.1666666667x + x2 = 18.83333333

The x term is -0.1666666667x.  Take half its coefficient (-0.08333333335).
Square it (0.006944444447) and add it to both sides.

Add '0.006944444447' to each side of the equation.
-0.1666666667x + 0.006944444447 + x2 = 18.83333333 + 0.006944444447

Reorder the terms:
0.006944444447 + -0.1666666667x + x2 = 18.83333333 + 0.006944444447

Combine like terms: 18.83333333 + 0.006944444447 = 18.840277774447
0.006944444447 + -0.1666666667x + x2 = 18.840277774447

Factor a perfect square on the left side:
(x + -0.08333333335)(x + -0.08333333335) = 18.840277774447

Calculate the square root of the right side: 4.340538881

Break this problem into two subproblems by setting 
(x + -0.08333333335) equal to 4.340538881 and -4.340538881.

Subproblem 1

x + -0.08333333335 = 4.340538881 Simplifying x + -0.08333333335 = 4.340538881 Reorder the terms: -0.08333333335 + x = 4.340538881 Solving -0.08333333335 + x = 4.340538881 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.08333333335' to each side of the equation. -0.08333333335 + 0.08333333335 + x = 4.340538881 + 0.08333333335 Combine like terms: -0.08333333335 + 0.08333333335 = 0.00000000000 0.00000000000 + x = 4.340538881 + 0.08333333335 x = 4.340538881 + 0.08333333335 Combine like terms: 4.340538881 + 0.08333333335 = 4.42387221435 x = 4.42387221435 Simplifying x = 4.42387221435

Subproblem 2

x + -0.08333333335 = -4.340538881 Simplifying x + -0.08333333335 = -4.340538881 Reorder the terms: -0.08333333335 + x = -4.340538881 Solving -0.08333333335 + x = -4.340538881 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.08333333335' to each side of the equation. -0.08333333335 + 0.08333333335 + x = -4.340538881 + 0.08333333335 Combine like terms: -0.08333333335 + 0.08333333335 = 0.00000000000 0.00000000000 + x = -4.340538881 + 0.08333333335 x = -4.340538881 + 0.08333333335 Combine like terms: -4.340538881 + 0.08333333335 = -4.25720554765 x = -4.25720554765 Simplifying x = -4.25720554765

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.42387221435, -4.25720554765}

See similar equations:

| 1240=2/3x-300 | | 3x+4y=470 | | 9x-1=6x+58 | | 3x^2-0.5x-104.5=0 | | -3(4s-2)-6=3(6s+3)-4 | | 1/2x3/10 | | 3-[-c-24]=-3c-24 | | 4n+3(n-5)+3= | | 2x^2+10x-5= | | -9y+8-3y=5-12y+13 | | -3(2s-2)-6=-3(9s+4)-4 | | Cos28=10/x | | 3x^2-0.5x-80.5=0 | | 0.6x+0.75y=5.85 | | 2x-40=4 | | 37s-17=52s-77 | | 5x-3x+-3=2x+6-5 | | 4[a-2]=8a-[4a-8] | | 25x+500=5000 | | -4(15+5z)=60 | | x/6-3/x=1/2 | | (21x^6-24x^5)/(3x^2) | | 2x(43-1)= | | 6-r=-5r-3+3r | | 60+5x=(x+x)+46 | | 6x-5(1-8x)=39+2x | | 9x+7-10x+3=8x-9x-4 | | -4(x+8)+5=-21-2x | | 4e+16-e=19 | | 4-8t=-10-10t | | 9x^2=63 | | 5(4x-3)+5(13-2x)=3(3x+3)-8 |

Equations solver categories