x^2+40x-600=0

Simple and best practice solution for x^2+40x-600=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-600=0 equation:


Simplifying
x2 + 40x + -600 = 0

Reorder the terms:
-600 + 40x + x2 = 0

Solving
-600 + 40x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '600' to each side of the equation.
-600 + 40x + 600 + x2 = 0 + 600

Reorder the terms:
-600 + 600 + 40x + x2 = 0 + 600

Combine like terms: -600 + 600 = 0
0 + 40x + x2 = 0 + 600
40x + x2 = 0 + 600

Combine like terms: 0 + 600 = 600
40x + x2 = 600

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 = 600 + 400

Reorder the terms:
400 + 40x + x2 = 600 + 400

Combine like terms: 600 + 400 = 1000
400 + 40x + x2 = 1000

Factor a perfect square on the left side:
(x + 20)(x + 20) = 1000

Calculate the square root of the right side: 31.622776602

Break this problem into two subproblems by setting 
(x + 20) equal to 31.622776602 and -31.622776602.

Subproblem 1

x + 20 = 31.622776602 Simplifying x + 20 = 31.622776602 Reorder the terms: 20 + x = 31.622776602 Solving 20 + x = 31.622776602 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 = 31.622776602 + -20 Combine like terms: 20 + -20 = 0 0 + x = 31.622776602 + -20 x = 31.622776602 + -20 Combine like terms: 31.622776602 + -20 = 11.622776602 x = 11.622776602 Simplifying x = 11.622776602

Subproblem 2

x + 20 = -31.622776602 Simplifying x + 20 = -31.622776602 Reorder the terms: 20 + x = -31.622776602 Solving 20 + x = -31.622776602 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 = -31.622776602 + -20 Combine like terms: 20 + -20 = 0 0 + x = -31.622776602 + -20 x = -31.622776602 + -20 Combine like terms: -31.622776602 + -20 = -51.622776602 x = -51.622776602 Simplifying x = -51.622776602

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.622776602, -51.622776602}

See similar equations:

| a+(-3a)= | | y=x^2-3x+9 | | 4b-28=8b+14 | | k+144=910 | | 26k=572 | | P=2(3c-5+2c) | | h+237=317 | | 8x-40=12 | | -x-(13+4x)=-15+27+2 | | 3x-12+6x+9= | | 101=h-92 | | 204.32/1/3 | | w/20=12/15 | | 72=90 | | 4x+8+2= | | v/28=7 | | 90=72 | | (X+2)(-7)= | | 400/36x= | | d^2-13d+2=0 | | X=296.60+160.7 | | X/5-x/6=1/15 | | 400/36x | | 31h=775 | | -16t^2+64t+160=0 | | 3(a+6)-2a=a-18 | | 6c-5=4c+3 | | 132=9h | | 2y=15x-14 | | -8z^2+74+39z-95z^4=0 | | 5(x+3)+11=3(2-x)-4 | | 420=150+30m |

Equations solver categories