-0.028x^2+4.578x-170=0

Simple and best practice solution for -0.028x^2+4.578x-170=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 -0.028x^2+4.578x-170=0 equation:


Simplifying
-0.028x2 + 4.578x + -170 = 0

Reorder the terms:
-170 + 4.578x + -0.028x2 = 0

Solving
-170 + 4.578x + -0.028x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.028 the coefficient of the squared term: 

Divide each side by '-0.028'.
6071.428571 + -163.5x + x2 = 0

Move the constant term to the right:

Add '-6071.428571' to each side of the equation.
6071.428571 + -163.5x + -6071.428571 + x2 = 0 + -6071.428571

Reorder the terms:
6071.428571 + -6071.428571 + -163.5x + x2 = 0 + -6071.428571

Combine like terms: 6071.428571 + -6071.428571 = 0.000000
0.000000 + -163.5x + x2 = 0 + -6071.428571
-163.5x + x2 = 0 + -6071.428571

Combine like terms: 0 + -6071.428571 = -6071.428571
-163.5x + x2 = -6071.428571

The x term is -163.5x.  Take half its coefficient (-81.75).
Square it (6683.0625) and add it to both sides.

Add '6683.0625' to each side of the equation.
-163.5x + 6683.0625 + x2 = -6071.428571 + 6683.0625

Reorder the terms:
6683.0625 + -163.5x + x2 = -6071.428571 + 6683.0625

Combine like terms: -6071.428571 + 6683.0625 = 611.633929
6683.0625 + -163.5x + x2 = 611.633929

Factor a perfect square on the left side:
(x + -81.75)(x + -81.75) = 611.633929

Calculate the square root of the right side: 24.731233875

Break this problem into two subproblems by setting 
(x + -81.75) equal to 24.731233875 and -24.731233875.

Subproblem 1

x + -81.75 = 24.731233875 Simplifying x + -81.75 = 24.731233875 Reorder the terms: -81.75 + x = 24.731233875 Solving -81.75 + x = 24.731233875 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '81.75' to each side of the equation. -81.75 + 81.75 + x = 24.731233875 + 81.75 Combine like terms: -81.75 + 81.75 = 0.00 0.00 + x = 24.731233875 + 81.75 x = 24.731233875 + 81.75 Combine like terms: 24.731233875 + 81.75 = 106.481233875 x = 106.481233875 Simplifying x = 106.481233875

Subproblem 2

x + -81.75 = -24.731233875 Simplifying x + -81.75 = -24.731233875 Reorder the terms: -81.75 + x = -24.731233875 Solving -81.75 + x = -24.731233875 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '81.75' to each side of the equation. -81.75 + 81.75 + x = -24.731233875 + 81.75 Combine like terms: -81.75 + 81.75 = 0.00 0.00 + x = -24.731233875 + 81.75 x = -24.731233875 + 81.75 Combine like terms: -24.731233875 + 81.75 = 57.018766125 x = 57.018766125 Simplifying x = 57.018766125

Solution

The solution to the problem is based on the solutions from the subproblems. x = {106.481233875, 57.018766125}

See similar equations:

| 6y+3(y-2)=(3y+1)-2 | | 6x-18=12x+16 | | (1-2)(1+2)= | | 6x-18=12x | | 3x(x+2)=x-18 | | 14m*m+17m-22=0 | | (-1)(1)= | | 3/17=1/2n | | 3/17=1/2, | | y-4y-12y=0 | | Y=25-5/3x | | -1.95=.33r+.4r | | 1/2x^2-1=15 | | 5r-16=-20+7r | | (20x-15y+25z)= | | Y=hx+p | | 3/8r=45 | | 1.25=r+1.5-.5r | | 2.5x+4.5=6.5 | | 0.27x=135 | | .4x-.5x=.25+2 | | 21+7x+7p-5x-4p-14= | | 11x+5x-1=66x-36 | | (-3/7)-3 | | (x)(x)^4/3 | | X+2502=12467 | | 23.20+0.90x=30.40 | | 5(x+2)=10(x+3) | | 3c+2c^2=-1 | | .6x-.5x=.75+1 | | (x+5)(x+3)-x=x^2+1 | | f(z)=0 |

Equations solver categories