x^2+40x-3600=0

Simple and best practice solution for x^2+40x-3600=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^2+40x-3600=0 equation:


Simplifying
x2 + 40x + -3600 = 0

Reorder the terms:
-3600 + 40x + x2 = 0

Solving
-3600 + 40x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3600' to each side of the equation.
-3600 + 40x + 3600 + x2 = 0 + 3600

Reorder the terms:
-3600 + 3600 + 40x + x2 = 0 + 3600

Combine like terms: -3600 + 3600 = 0
0 + 40x + x2 = 0 + 3600
40x + x2 = 0 + 3600

Combine like terms: 0 + 3600 = 3600
40x + x2 = 3600

The x term is 40x.  Take half its coefficient (20).
Square it (400) and add it to both sides.

Add '400' to each side of the equation.
40x + 400 + x2 = 3600 + 400

Reorder the terms:
400 + 40x + x2 = 3600 + 400

Combine like terms: 3600 + 400 = 4000
400 + 40x + x2 = 4000

Factor a perfect square on the left side:
(x + 20)(x + 20) = 4000

Calculate the square root of the right side: 63.245553203

Break this problem into two subproblems by setting 
(x + 20) equal to 63.245553203 and -63.245553203.

Subproblem 1

x + 20 = 63.245553203 Simplifying x + 20 = 63.245553203 Reorder the terms: 20 + x = 63.245553203 Solving 20 + x = 63.245553203 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + x = 63.245553203 + -20 Combine like terms: 20 + -20 = 0 0 + x = 63.245553203 + -20 x = 63.245553203 + -20 Combine like terms: 63.245553203 + -20 = 43.245553203 x = 43.245553203 Simplifying x = 43.245553203

Subproblem 2

x + 20 = -63.245553203 Simplifying x + 20 = -63.245553203 Reorder the terms: 20 + x = -63.245553203 Solving 20 + x = -63.245553203 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + x = -63.245553203 + -20 Combine like terms: 20 + -20 = 0 0 + x = -63.245553203 + -20 x = -63.245553203 + -20 Combine like terms: -63.245553203 + -20 = -83.245553203 x = -83.245553203 Simplifying x = -83.245553203

Solution

The solution to the problem is based on the solutions from the subproblems. x = {43.245553203, -83.245553203}

See similar equations:

| 3x+4+16=7 | | -(2x-2)+3x=12 | | 5(m+2)=3(m+5) | | 1/6(X+12)+2x=5x-5 | | 5x+6=x-9 | | 5x^2-16x-14=2 | | 5x+6=y-9 | | 7n^2-17n-12= | | 3x-x+8+5-2=10 | | 12-10x=100-38x | | 7n^2-4n-8=-5 | | 2.5x-5+3x+88=19.5 | | 5m+3-8m=33 | | 8n-6=58 | | ln(2x)+3x=0.583 | | 13x+18=3x+138 | | 4x^2+20x+25=7 | | 3(s+2)s= | | -(2z+4)=6z-3(3z+2) | | b^2-5b-18=-4 | | r^2-9r+11=-3 | | 30/5=3x+2(-4x) | | 4(-x+3)=x+5 | | 3(x+7)+2(x-5)=3(x-5)-2(x-5) | | (4x*3-5x*2+5x)-(2x*2+3x+9)= | | 2.7=8.1/p | | 10+3X=6+8X+5 | | 7+3n=3+2n | | 1+y=-1 | | x-(2x+1)=8(3x+3) | | 3.1w+5=0.8w | | 1/5s+s=6 |

Equations solver categories