0=x^2-5x-60

Simple and best practice solution for 0=x^2-5x-60 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 0=x^2-5x-60 equation:


Simplifying
0 = x2 + -5x + -60

Reorder the terms:
0 = -60 + -5x + x2

Solving
0 = -60 + -5x + x2

Solving for variable 'x'.

Combine like terms: 0 + 60 = 60
60 + 5x + -1x2 = -60 + -5x + x2 + 60 + 5x + -1x2

Reorder the terms:
60 + 5x + -1x2 = -60 + 60 + -5x + 5x + x2 + -1x2

Combine like terms: -60 + 60 = 0
60 + 5x + -1x2 = 0 + -5x + 5x + x2 + -1x2
60 + 5x + -1x2 = -5x + 5x + x2 + -1x2

Combine like terms: -5x + 5x = 0
60 + 5x + -1x2 = 0 + x2 + -1x2
60 + 5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
60 + 5x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-60 + -5x + x2 = 0

Move the constant term to the right:

Add '60' to each side of the equation.
-60 + -5x + 60 + x2 = 0 + 60

Reorder the terms:
-60 + 60 + -5x + x2 = 0 + 60

Combine like terms: -60 + 60 = 0
0 + -5x + x2 = 0 + 60
-5x + x2 = 0 + 60

Combine like terms: 0 + 60 = 60
-5x + x2 = 60

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 = 60 + 6.25

Reorder the terms:
6.25 + -5x + x2 = 60 + 6.25

Combine like terms: 60 + 6.25 = 66.25
6.25 + -5x + x2 = 66.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 66.25

Calculate the square root of the right side: 8.139410298

Break this problem into two subproblems by setting 
(x + -2.5) equal to 8.139410298 and -8.139410298.

Subproblem 1

x + -2.5 = 8.139410298 Simplifying x + -2.5 = 8.139410298 Reorder the terms: -2.5 + x = 8.139410298 Solving -2.5 + x = 8.139410298 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 = 8.139410298 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 8.139410298 + 2.5 x = 8.139410298 + 2.5 Combine like terms: 8.139410298 + 2.5 = 10.639410298 x = 10.639410298 Simplifying x = 10.639410298

Subproblem 2

x + -2.5 = -8.139410298 Simplifying x + -2.5 = -8.139410298 Reorder the terms: -2.5 + x = -8.139410298 Solving -2.5 + x = -8.139410298 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 = -8.139410298 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -8.139410298 + 2.5 x = -8.139410298 + 2.5 Combine like terms: -8.139410298 + 2.5 = -5.639410298 x = -5.639410298 Simplifying x = -5.639410298

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.639410298, -5.639410298}

See similar equations:

| 4x-3=117-11x | | -18t-3t+2=5t-6t | | 2(x^1y+5x^2+3xy)= | | 4(3x-2)=15x+22 | | 3x^2=-4x-4+2x^2 | | 113x=121 | | x/2(x+2)^2+14x | | (69-10)-(37-8)= | | 3x+11=-8 | | 6x+9=-79-8x | | 14b,=-56 | | 9x+7=10-3x | | y=-2/3x-2 | | 1/4x+2/3x=1/6 | | 2(x-5)=3(x+8) | | 2-3(x+2)= | | 10x+4=11x-8 | | -6x-13x=-3 | | 5p+12.5=62.50 | | -16x^6+8x^5+4x^4=8.94427191 | | -1/5x+10=-x+2 | | 3(x-5)=3x+7 | | 7a^2-42a=0 | | 14=-x-8 | | 1.1=2x+1/2 | | 7x-12=7x+3 | | 2x^2-5x+4=y | | x/15+1/3=13/15 | | (-3a-2b)-(6a-5b)= | | 74+25x=350 | | 5*(y-2)=35 | | 2h-h=3+6 |

Equations solver categories