83.3x^2-42.2x+5.08=0

Simple and best practice solution for 83.3x^2-42.2x+5.08=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 83.3x^2-42.2x+5.08=0 equation:


Simplifying
83.3x2 + -42.2x + 5.08 = 0

Reorder the terms:
5.08 + -42.2x + 83.3x2 = 0

Solving
5.08 + -42.2x + 83.3x2 = 0

Solving for variable 'x'.

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

Divide each side by '83.3'.
0.06098439376 + -0.5066026411x + x2 = 0

Move the constant term to the right:

Add '-0.06098439376' to each side of the equation.
0.06098439376 + -0.5066026411x + -0.06098439376 + x2 = 0 + -0.06098439376

Reorder the terms:
0.06098439376 + -0.06098439376 + -0.5066026411x + x2 = 0 + -0.06098439376

Combine like terms: 0.06098439376 + -0.06098439376 = 0.00000000000
0.00000000000 + -0.5066026411x + x2 = 0 + -0.06098439376
-0.5066026411x + x2 = 0 + -0.06098439376

Combine like terms: 0 + -0.06098439376 = -0.06098439376
-0.5066026411x + x2 = -0.06098439376

The x term is -0.5066026411x.  Take half its coefficient (-0.2533013206).
Square it (0.06416155902) and add it to both sides.

Add '0.06416155902' to each side of the equation.
-0.5066026411x + 0.06416155902 + x2 = -0.06098439376 + 0.06416155902

Reorder the terms:
0.06416155902 + -0.5066026411x + x2 = -0.06098439376 + 0.06416155902

Combine like terms: -0.06098439376 + 0.06416155902 = 0.00317716526
0.06416155902 + -0.5066026411x + x2 = 0.00317716526

Factor a perfect square on the left side:
(x + -0.2533013206)(x + -0.2533013206) = 0.00317716526

Calculate the square root of the right side: 0.056366349

Break this problem into two subproblems by setting 
(x + -0.2533013206) equal to 0.056366349 and -0.056366349.

Subproblem 1

x + -0.2533013206 = 0.056366349 Simplifying x + -0.2533013206 = 0.056366349 Reorder the terms: -0.2533013206 + x = 0.056366349 Solving -0.2533013206 + x = 0.056366349 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2533013206' to each side of the equation. -0.2533013206 + 0.2533013206 + x = 0.056366349 + 0.2533013206 Combine like terms: -0.2533013206 + 0.2533013206 = 0.0000000000 0.0000000000 + x = 0.056366349 + 0.2533013206 x = 0.056366349 + 0.2533013206 Combine like terms: 0.056366349 + 0.2533013206 = 0.3096676696 x = 0.3096676696 Simplifying x = 0.3096676696

Subproblem 2

x + -0.2533013206 = -0.056366349 Simplifying x + -0.2533013206 = -0.056366349 Reorder the terms: -0.2533013206 + x = -0.056366349 Solving -0.2533013206 + x = -0.056366349 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2533013206' to each side of the equation. -0.2533013206 + 0.2533013206 + x = -0.056366349 + 0.2533013206 Combine like terms: -0.2533013206 + 0.2533013206 = 0.0000000000 0.0000000000 + x = -0.056366349 + 0.2533013206 x = -0.056366349 + 0.2533013206 Combine like terms: -0.056366349 + 0.2533013206 = 0.1969349716 x = 0.1969349716 Simplifying x = 0.1969349716

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.3096676696, 0.1969349716}

See similar equations:

| -32=-5u+2(u-4) | | 25x^2-8x+15=-0 | | 19x^3+(14+4x^3)= | | 9x+63=198 | | 15=2(x+3)+7x | | -5s-9-3s=15 | | 2/3n-11=4 | | x^2=-19x-60 | | -.8(2)+14.4(2)+2=0 | | 7x+12=10x+3 | | 5x+3=3(1)-2x | | 40x=15x+100 | | 3/8=x/1200 | | 10a+1=5a-14 | | (x^2-2x-15)/(2x^2-10x) | | solve(D^2+3*D*D^1+4*D^2)*z=x+siny | | 5.71428571429=x^2+x | | p^2+18p=-81 | | 3z-7=z+3 | | 216+x^3-y^3=0 | | 7x-9=0+6x | | 120x^3y/25xy^5 | | .15x=7.99-x | | A*x^3-B*x^2+C=0 | | 210-4x=6x-30 | | (m+2)(m-6)=0 | | (5x+7)(x-9)=0 | | 1x^4-116x^2+1600=0 | | -x+8=6x-62 | | 2x^3-12x^2-14x=0 | | solvep+q=pq | | sin(2x)=2 |

Equations solver categories