x^2+615x-53400=0

Simple and best practice solution for x^2+615x-53400=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+615x-53400=0 equation:


Simplifying
x2 + 615x + -53400 = 0

Reorder the terms:
-53400 + 615x + x2 = 0

Solving
-53400 + 615x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '53400' to each side of the equation.
-53400 + 615x + 53400 + x2 = 0 + 53400

Reorder the terms:
-53400 + 53400 + 615x + x2 = 0 + 53400

Combine like terms: -53400 + 53400 = 0
0 + 615x + x2 = 0 + 53400
615x + x2 = 0 + 53400

Combine like terms: 0 + 53400 = 53400
615x + x2 = 53400

The x term is 615x.  Take half its coefficient (307.5).
Square it (94556.25) and add it to both sides.

Add '94556.25' to each side of the equation.
615x + 94556.25 + x2 = 53400 + 94556.25

Reorder the terms:
94556.25 + 615x + x2 = 53400 + 94556.25

Combine like terms: 53400 + 94556.25 = 147956.25
94556.25 + 615x + x2 = 147956.25

Factor a perfect square on the left side:
(x + 307.5)(x + 307.5) = 147956.25

Calculate the square root of the right side: 384.650815676

Break this problem into two subproblems by setting 
(x + 307.5) equal to 384.650815676 and -384.650815676.

Subproblem 1

x + 307.5 = 384.650815676 Simplifying x + 307.5 = 384.650815676 Reorder the terms: 307.5 + x = 384.650815676 Solving 307.5 + x = 384.650815676 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-307.5' to each side of the equation. 307.5 + -307.5 + x = 384.650815676 + -307.5 Combine like terms: 307.5 + -307.5 = 0.0 0.0 + x = 384.650815676 + -307.5 x = 384.650815676 + -307.5 Combine like terms: 384.650815676 + -307.5 = 77.150815676 x = 77.150815676 Simplifying x = 77.150815676

Subproblem 2

x + 307.5 = -384.650815676 Simplifying x + 307.5 = -384.650815676 Reorder the terms: 307.5 + x = -384.650815676 Solving 307.5 + x = -384.650815676 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-307.5' to each side of the equation. 307.5 + -307.5 + x = -384.650815676 + -307.5 Combine like terms: 307.5 + -307.5 = 0.0 0.0 + x = -384.650815676 + -307.5 x = -384.650815676 + -307.5 Combine like terms: -384.650815676 + -307.5 = -692.150815676 x = -692.150815676 Simplifying x = -692.150815676

Solution

The solution to the problem is based on the solutions from the subproblems. x = {77.150815676, -692.150815676}

See similar equations:

| 3=35(1.9)x | | f=x^2-2-3 | | f(x)=x^2-2-3 | | x-25=3(2x+5) | | -9x+25=-3x-17 | | 2(x+1)-6=4x+12 | | n+5w=r | | 3x+10=-3 | | 7xy-8y=14+5x+3xy | | 34=-5-6x+3x | | r+5w=n | | n=r+5w | | A+2B=1020 | | 39+10t-t^2=0 | | 5x+6-10x=15 | | x-1/2=8/4 | | x^3+53x-630=0 | | -t^2+10t+25-25+39=0 | | 5(x+10)=45 | | -t^2+10t+39=0 | | 2(2x-3)=3(x+10) | | (5.3a-0.8)-(1.6-4.7a)=2a-(a-0.3) | | (2x+7)(2x+5)=63 | | x^2+53x-63=0 | | (x+35)(X+18)=630 | | x^10-15=0 | | (x+10)(x+12)=360 | | 2h-5=11h+5-h | | (x+8)(x+12)=288 | | (x+18)(x+15)=810 | | (x+100)(x+50)=15000 | | 2(3x+1)+2x=4(3x) |

Equations solver categories