x^2+5x-1296=0

Simple and best practice solution for x^2+5x-1296=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+5x-1296=0 equation:


Simplifying
x2 + 5x + -1296 = 0

Reorder the terms:
-1296 + 5x + x2 = 0

Solving
-1296 + 5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '1296' to each side of the equation.
-1296 + 5x + 1296 + x2 = 0 + 1296

Reorder the terms:
-1296 + 1296 + 5x + x2 = 0 + 1296

Combine like terms: -1296 + 1296 = 0
0 + 5x + x2 = 0 + 1296
5x + x2 = 0 + 1296

Combine like terms: 0 + 1296 = 1296
5x + x2 = 1296

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = 1296 + 6.25

Reorder the terms:
6.25 + 5x + x2 = 1296 + 6.25

Combine like terms: 1296 + 6.25 = 1302.25
6.25 + 5x + x2 = 1302.25

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = 1302.25

Calculate the square root of the right side: 36.086701152

Break this problem into two subproblems by setting 
(x + 2.5) equal to 36.086701152 and -36.086701152.

Subproblem 1

x + 2.5 = 36.086701152 Simplifying x + 2.5 = 36.086701152 Reorder the terms: 2.5 + x = 36.086701152 Solving 2.5 + x = 36.086701152 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = 36.086701152 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = 36.086701152 + -2.5 x = 36.086701152 + -2.5 Combine like terms: 36.086701152 + -2.5 = 33.586701152 x = 33.586701152 Simplifying x = 33.586701152

Subproblem 2

x + 2.5 = -36.086701152 Simplifying x + 2.5 = -36.086701152 Reorder the terms: 2.5 + x = -36.086701152 Solving 2.5 + x = -36.086701152 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = -36.086701152 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = -36.086701152 + -2.5 x = -36.086701152 + -2.5 Combine like terms: -36.086701152 + -2.5 = -38.586701152 x = -38.586701152 Simplifying x = -38.586701152

Solution

The solution to the problem is based on the solutions from the subproblems. x = {33.586701152, -38.586701152}

See similar equations:

| 8+3=313 | | 2x^2=3-6x | | 3n^2+20=-17n | | 8x-(-16x+12)=24x+4-4 | | 6n=-n^2 | | f(x)=x^4+18x^3+81x^2 | | -6n-20=-2n-(-4+3n) | | 78-5x=13x+16 | | 13+4x=1-x | | (2x^4)-(6x^2)=f(x) | | 4n+n=45 | | 2sinx-tanx=1 | | 1/4(x-2)+1=1/3(12-x) | | 9x+60=5x+15 | | x^2-156x+1=0 | | 11x^2-22.6x+1.69=0 | | 1/5(x+1)=1/3(11-2x) | | 2(x-3)=x-3 | | 7x-3(x+1)=-35 | | 3x-4z=2w | | y=2x+h | | 2/5x+4/5=36 | | 4x^3-xy^2+4x^2y-y^3=0 | | y=5E+10x | | (m^4)-(2m^2)+3=0 | | 1.06x/1.06=51970/1.06 | | 3s^3-5s^2+12s+30=0 | | 3x5(5+9)8-3+9/3 | | 2y-3x=17 | | 5x+1=5(x+7) | | 1.00x+0.06x=51970 | | solvef(x)=a*(x-2)(x-(4-4i))*(x-(4+4i)) |

Equations solver categories