.013x^2-1.18x+28.24=4

Simple and best practice solution for .013x^2-1.18x+28.24=4 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 .013x^2-1.18x+28.24=4 equation:


Simplifying
0.013x2 + -1.18x + 28.24 = 4

Reorder the terms:
28.24 + -1.18x + 0.013x2 = 4

Solving
28.24 + -1.18x + 0.013x2 = 4

Solving for variable 'x'.

Reorder the terms:
28.24 + -4 + -1.18x + 0.013x2 = 4 + -4

Combine like terms: 28.24 + -4 = 24.24
24.24 + -1.18x + 0.013x2 = 4 + -4

Combine like terms: 4 + -4 = 0
24.24 + -1.18x + 0.013x2 = 0

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

Divide each side by '0.013'.
1864.615385 + -90.76923077x + x2 = 0

Move the constant term to the right:

Add '-1864.615385' to each side of the equation.
1864.615385 + -90.76923077x + -1864.615385 + x2 = 0 + -1864.615385

Reorder the terms:
1864.615385 + -1864.615385 + -90.76923077x + x2 = 0 + -1864.615385

Combine like terms: 1864.615385 + -1864.615385 = 0.000000
0.000000 + -90.76923077x + x2 = 0 + -1864.615385
-90.76923077x + x2 = 0 + -1864.615385

Combine like terms: 0 + -1864.615385 = -1864.615385
-90.76923077x + x2 = -1864.615385

The x term is -90.76923077x.  Take half its coefficient (-45.38461539).
Square it (2059.763314) and add it to both sides.

Add '2059.763314' to each side of the equation.
-90.76923077x + 2059.763314 + x2 = -1864.615385 + 2059.763314

Reorder the terms:
2059.763314 + -90.76923077x + x2 = -1864.615385 + 2059.763314

Combine like terms: -1864.615385 + 2059.763314 = 195.147929
2059.763314 + -90.76923077x + x2 = 195.147929

Factor a perfect square on the left side:
(x + -45.38461539)(x + -45.38461539) = 195.147929

Calculate the square root of the right side: 13.969535747

Break this problem into two subproblems by setting 
(x + -45.38461539) equal to 13.969535747 and -13.969535747.

Subproblem 1

x + -45.38461539 = 13.969535747 Simplifying x + -45.38461539 = 13.969535747 Reorder the terms: -45.38461539 + x = 13.969535747 Solving -45.38461539 + x = 13.969535747 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '45.38461539' to each side of the equation. -45.38461539 + 45.38461539 + x = 13.969535747 + 45.38461539 Combine like terms: -45.38461539 + 45.38461539 = 0.00000000 0.00000000 + x = 13.969535747 + 45.38461539 x = 13.969535747 + 45.38461539 Combine like terms: 13.969535747 + 45.38461539 = 59.354151137 x = 59.354151137 Simplifying x = 59.354151137

Subproblem 2

x + -45.38461539 = -13.969535747 Simplifying x + -45.38461539 = -13.969535747 Reorder the terms: -45.38461539 + x = -13.969535747 Solving -45.38461539 + x = -13.969535747 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '45.38461539' to each side of the equation. -45.38461539 + 45.38461539 + x = -13.969535747 + 45.38461539 Combine like terms: -45.38461539 + 45.38461539 = 0.00000000 0.00000000 + x = -13.969535747 + 45.38461539 x = -13.969535747 + 45.38461539 Combine like terms: -13.969535747 + 45.38461539 = 31.415079643 x = 31.415079643 Simplifying x = 31.415079643

Solution

The solution to the problem is based on the solutions from the subproblems. x = {59.354151137, 31.415079643}

See similar equations:

| 4x^3+4x^2y+4xy^2+4y^3=8xy+4x^2 | | A=5000+5000*.0425*9.4 | | 3.5x+(-35)+(-45)=180 | | 7(b+3)-18(1-b)=103 | | 16d-(2-5d)=-67 | | 6x=2k+45 | | 6d+4d-2d-7=5d | | A=5000+5000*.425*9.4 | | X-7=18y | | x^2+30x=90 | | 2x-7=3x+1-x-7 | | f(x)=4x^2+2x+10 | | 1.89+a=7.14 | | 5q+6=q-6 | | 8(2x+1)=40-16x | | 2y-5x=-15 | | -4(z+7)=7-3z | | A=5000+5000*.425*.33 | | 5(5x-3)=4x-6 | | (12A^2B+A-5A^2B+2AB)-(4AB^2+6AB-2A-3AB)= | | v^2+5v+7vq+35q=0 | | 5(5x-3)=4x+6 | | 14+3n=-3(n-4) | | 16+.20x=30 | | -3y+28=ysq | | -2(w-7)+12w=34 | | 23c+20=29c+74 | | 8=17.666c | | 16+.20x=306 | | 6(x+3)=-5 | | 11.1x-3.3=-8.3x+6.4 | | A+2b=20+c |

Equations solver categories