x*x+100x-3000=0

Simple and best practice solution for x*x+100x-3000=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 x*x+100x-3000=0 equation:


Simplifying
x * x + 100x + -3000 = 0

Multiply x * x
x2 + 100x + -3000 = 0

Reorder the terms:
-3000 + 100x + x2 = 0

Solving
-3000 + 100x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3000' to each side of the equation.
-3000 + 100x + 3000 + x2 = 0 + 3000

Reorder the terms:
-3000 + 3000 + 100x + x2 = 0 + 3000

Combine like terms: -3000 + 3000 = 0
0 + 100x + x2 = 0 + 3000
100x + x2 = 0 + 3000

Combine like terms: 0 + 3000 = 3000
100x + x2 = 3000

The x term is 100x.  Take half its coefficient (50).
Square it (2500) and add it to both sides.

Add '2500' to each side of the equation.
100x + 2500 + x2 = 3000 + 2500

Reorder the terms:
2500 + 100x + x2 = 3000 + 2500

Combine like terms: 3000 + 2500 = 5500
2500 + 100x + x2 = 5500

Factor a perfect square on the left side:
(x + 50)(x + 50) = 5500

Calculate the square root of the right side: 74.161984871

Break this problem into two subproblems by setting 
(x + 50) equal to 74.161984871 and -74.161984871.

Subproblem 1

x + 50 = 74.161984871 Simplifying x + 50 = 74.161984871 Reorder the terms: 50 + x = 74.161984871 Solving 50 + x = 74.161984871 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-50' to each side of the equation. 50 + -50 + x = 74.161984871 + -50 Combine like terms: 50 + -50 = 0 0 + x = 74.161984871 + -50 x = 74.161984871 + -50 Combine like terms: 74.161984871 + -50 = 24.161984871 x = 24.161984871 Simplifying x = 24.161984871

Subproblem 2

x + 50 = -74.161984871 Simplifying x + 50 = -74.161984871 Reorder the terms: 50 + x = -74.161984871 Solving 50 + x = -74.161984871 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-50' to each side of the equation. 50 + -50 + x = -74.161984871 + -50 Combine like terms: 50 + -50 = 0 0 + x = -74.161984871 + -50 x = -74.161984871 + -50 Combine like terms: -74.161984871 + -50 = -124.161984871 x = -124.161984871 Simplifying x = -124.161984871

Solution

The solution to the problem is based on the solutions from the subproblems. x = {24.161984871, -124.161984871}

See similar equations:

| 3x-16=4-2 | | 2x+12=12x+2 | | 2k+12=2 | | 8=0.5x^4+3x^2 | | (2x+2)(x+1)=1 | | z^2-4iz-29=0 | | p(-2)=x^2-2x | | 2x^-6x/5=6 | | g(-1)=2x^2+5 | | Sin(2*x-pi/2) | | -x=1-x | | 2x(x-3/5)-6 | | 9q-3p+7= | | 3/2*=1/8 | | 5x+9=3x+8 | | 5x+9=3y+8 | | 3y+8=5x+9 | | 7=11 | | y^2dx+(xy+tanxy)dy=0 | | 2x=8/2 | | f(x+2)=3x-4 | | (x-120)*1.8+60=90 | | 1/5x=70 | | 5g-1=3g+4 | | sqrt(17-y)+sqrty(y)=5 | | 3x=5(7) | | 100=x/2*100 | | X=100-(x*15/100) | | 3x+9x-5x= | | -0.12p=2.56+5p | | X=2*10 | | (t)(sqrt(4-t))=0 |

Equations solver categories