0.36x^2-7x-7000=0

Simple and best practice solution for 0.36x^2-7x-7000=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 0.36x^2-7x-7000=0 equation:


Simplifying
0.36x2 + -7x + -7000 = 0

Reorder the terms:
-7000 + -7x + 0.36x2 = 0

Solving
-7000 + -7x + 0.36x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.36'.
-19444.44444 + -19.44444444x + x2 = 0

Move the constant term to the right:

Add '19444.44444' to each side of the equation.
-19444.44444 + -19.44444444x + 19444.44444 + x2 = 0 + 19444.44444

Reorder the terms:
-19444.44444 + 19444.44444 + -19.44444444x + x2 = 0 + 19444.44444

Combine like terms: -19444.44444 + 19444.44444 = 0.00000
0.00000 + -19.44444444x + x2 = 0 + 19444.44444
-19.44444444x + x2 = 0 + 19444.44444

Combine like terms: 0 + 19444.44444 = 19444.44444
-19.44444444x + x2 = 19444.44444

The x term is -19.44444444x.  Take half its coefficient (-9.72222222).
Square it (94.52160490) and add it to both sides.

Add '94.52160490' to each side of the equation.
-19.44444444x + 94.52160490 + x2 = 19444.44444 + 94.52160490

Reorder the terms:
94.52160490 + -19.44444444x + x2 = 19444.44444 + 94.52160490

Combine like terms: 19444.44444 + 94.52160490 = 19538.9660449
94.52160490 + -19.44444444x + x2 = 19538.9660449

Factor a perfect square on the left side:
(x + -9.72222222)(x + -9.72222222) = 19538.9660449

Calculate the square root of the right side: 139.781851629

Break this problem into two subproblems by setting 
(x + -9.72222222) equal to 139.781851629 and -139.781851629.

Subproblem 1

x + -9.72222222 = 139.781851629 Simplifying x + -9.72222222 = 139.781851629 Reorder the terms: -9.72222222 + x = 139.781851629 Solving -9.72222222 + x = 139.781851629 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.72222222' to each side of the equation. -9.72222222 + 9.72222222 + x = 139.781851629 + 9.72222222 Combine like terms: -9.72222222 + 9.72222222 = 0.00000000 0.00000000 + x = 139.781851629 + 9.72222222 x = 139.781851629 + 9.72222222 Combine like terms: 139.781851629 + 9.72222222 = 149.504073849 x = 149.504073849 Simplifying x = 149.504073849

Subproblem 2

x + -9.72222222 = -139.781851629 Simplifying x + -9.72222222 = -139.781851629 Reorder the terms: -9.72222222 + x = -139.781851629 Solving -9.72222222 + x = -139.781851629 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.72222222' to each side of the equation. -9.72222222 + 9.72222222 + x = -139.781851629 + 9.72222222 Combine like terms: -9.72222222 + 9.72222222 = 0.00000000 0.00000000 + x = -139.781851629 + 9.72222222 x = -139.781851629 + 9.72222222 Combine like terms: -139.781851629 + 9.72222222 = -130.059629409 x = -130.059629409 Simplifying x = -130.059629409

Solution

The solution to the problem is based on the solutions from the subproblems. x = {149.504073849, -130.059629409}

See similar equations:

| -3(3m-8)+10(m-2)=13-7 | | 9x-16=-7 | | 4x+-x+2=-2x+12 | | h=at-0.25vtsquared | | k+23=-13 | | 3x^2+100x-625=0 | | 8+b*-4=5 | | -3k=-2 | | (90+82+81+2x)/4=86 | | 5x-3x+x=x+6 | | 4b=7(-2+5g) | | 5x+13=31 | | 225=9(4x)+9 | | 6y-5(y-5)+1=5 | | 5-x+3+x=2x | | H(s)=-16x+48x+6 | | 2x-3/2=3/4 | | 49/1/2 | | 1+7-6+3x=4x | | 25x+25y= | | 6y-5(y-1)+1=7 | | q-2=24 | | d//8=4 | | 6c-16=14 | | 11+v^2+18=0 | | 3.2x+0.4=-2 | | 6x+4y=6.70 | | 7+4(2x-1)=3x-5x(1x-6) | | 2(6a-2)-11a=8-3 | | 3[n-36]=15 | | 7+x+2x=3+5x | | 4m+18p= |

Equations solver categories