3x^2-82.74x+570.4923=0

Simple and best practice solution for 3x^2-82.74x+570.4923=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 3x^2-82.74x+570.4923=0 equation:


Simplifying
3x2 + -82.74x + 570.4923 = 0

Reorder the terms:
570.4923 + -82.74x + 3x2 = 0

Solving
570.4923 + -82.74x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
190.1641 + -27.58x + x2 = 0

Move the constant term to the right:

Add '-190.1641' to each side of the equation.
190.1641 + -27.58x + -190.1641 + x2 = 0 + -190.1641

Reorder the terms:
190.1641 + -190.1641 + -27.58x + x2 = 0 + -190.1641

Combine like terms: 190.1641 + -190.1641 = 0.0000
0.0000 + -27.58x + x2 = 0 + -190.1641
-27.58x + x2 = 0 + -190.1641

Combine like terms: 0 + -190.1641 = -190.1641
-27.58x + x2 = -190.1641

The x term is -27.58x.  Take half its coefficient (-13.79).
Square it (190.1641) and add it to both sides.

Add '190.1641' to each side of the equation.
-27.58x + 190.1641 + x2 = -190.1641 + 190.1641

Reorder the terms:
190.1641 + -27.58x + x2 = -190.1641 + 190.1641

Combine like terms: -190.1641 + 190.1641 = 0.0000
190.1641 + -27.58x + x2 = 0.0000

Factor a perfect square on the left side:
(x + -13.79)(x + -13.79) = 0.0000

Calculate the square root of the right side: 0.0000

Break this problem into two subproblems by setting 
(x + -13.79) equal to 0.0000 and 0.0000.

Subproblem 1

x + -13.79 = 0.0000 Simplifying x + -13.79 = 0.0000 Reorder the terms: -13.79 + x = 0.0000 Solving -13.79 + x = 0.0000 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13.79' to each side of the equation. -13.79 + 13.79 + x = 0.0000 + 13.79 Combine like terms: -13.79 + 13.79 = 0.00 0.00 + x = 0.0000 + 13.79 x = 0.0000 + 13.79 Combine like terms: 0.0000 + 13.79 = 13.79 x = 13.79 Simplifying x = 13.79

Subproblem 2

x + -13.79 = 0.0000 Simplifying x + -13.79 = 0.0000 Reorder the terms: -13.79 + x = 0.0000 Solving -13.79 + x = 0.0000 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13.79' to each side of the equation. -13.79 + 13.79 + x = 0.0000 + 13.79 Combine like terms: -13.79 + 13.79 = 0.00 0.00 + x = 0.0000 + 13.79 x = 0.0000 + 13.79 Combine like terms: 0.0000 + 13.79 = 13.79 x = 13.79 Simplifying x = 13.79

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.79, 13.79}

See similar equations:

| -2(1s-5)+3=8 | | 4(4x+2)=2(8x+20) | | 3(4j+2)-5(2j-6)+4(6J-1)= | | 3x+25x-1=7(4x+1) | | -8n+56+9n-9=41 | | 40(t+1)=50t | | -20=-7x+2(4x-14) | | -10(14-r)-2=-7 | | 4=5t-1 | | -5(1w+6)=-10 | | -3(1-1)=-19 | | 9x+10=9x-8 | | -p(d+z)=-2z+59 | | -2m+4+7m-42=-67 | | 6ab*2b= | | -4(8-5n)=14 | | 4i+7i-(i-9)+2= | | 3x+12-24+24=24 | | 12ab+4b= | | x^2+68x+184=0 | | log(3)(3x+2)=3 | | 9(v-5)+8v= | | 3+4(7-h)-4(3h-1)= | | 15x+29(x-5)=515 | | 3(13-2r)=15 | | 3x^2+24x+8=0 | | y=x^2+5x+25 | | X^2+2xy+y^2-25=0 | | 9(-2-3y)+6y=-60 | | .25(8m-4)=-3 | | 4+2n-4n=12 | | 7x+8y=56fory |

Equations solver categories