x^2-4x-60=60

Simple and best practice solution for x^2-4x-60=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 x^2-4x-60=60 equation:


Simplifying
x2 + -4x + -60 = 60

Reorder the terms:
-60 + -4x + x2 = 60

Solving
-60 + -4x + x2 = 60

Solving for variable 'x'.

Reorder the terms:
-60 + -60 + -4x + x2 = 60 + -60

Combine like terms: -60 + -60 = -120
-120 + -4x + x2 = 60 + -60

Combine like terms: 60 + -60 = 0
-120 + -4x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '120' to each side of the equation.
-120 + -4x + 120 + x2 = 0 + 120

Reorder the terms:
-120 + 120 + -4x + x2 = 0 + 120

Combine like terms: -120 + 120 = 0
0 + -4x + x2 = 0 + 120
-4x + x2 = 0 + 120

Combine like terms: 0 + 120 = 120
-4x + x2 = 120

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = 120 + 4

Reorder the terms:
4 + -4x + x2 = 120 + 4

Combine like terms: 120 + 4 = 124
4 + -4x + x2 = 124

Factor a perfect square on the left side:
(x + -2)(x + -2) = 124

Calculate the square root of the right side: 11.135528726

Break this problem into two subproblems by setting 
(x + -2) equal to 11.135528726 and -11.135528726.

Subproblem 1

x + -2 = 11.135528726 Simplifying x + -2 = 11.135528726 Reorder the terms: -2 + x = 11.135528726 Solving -2 + x = 11.135528726 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 11.135528726 + 2 Combine like terms: -2 + 2 = 0 0 + x = 11.135528726 + 2 x = 11.135528726 + 2 Combine like terms: 11.135528726 + 2 = 13.135528726 x = 13.135528726 Simplifying x = 13.135528726

Subproblem 2

x + -2 = -11.135528726 Simplifying x + -2 = -11.135528726 Reorder the terms: -2 + x = -11.135528726 Solving -2 + x = -11.135528726 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -11.135528726 + 2 Combine like terms: -2 + 2 = 0 0 + x = -11.135528726 + 2 x = -11.135528726 + 2 Combine like terms: -11.135528726 + 2 = -9.135528726 x = -9.135528726 Simplifying x = -9.135528726

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.135528726, -9.135528726}

See similar equations:

| -2h+14=-28 | | Log(x)=25 | | X^2-8=8 | | 47=28x-12x | | (9+x)2=(12+4)3 | | 8(y+9/2)+8(3y-7/8)=8 | | 2*2+7x=0 | | 14x=-41 | | 8(y+9/2)+8(3y-7/8) | | 11x+12=9x+16 | | 5y-6+y+52=6y+50-4y | | 2*2+7=0 | | (5+3)8=(4+x)6 | | 4x+3=2y | | 13-3/4t=5 | | S=-9+9 | | 14x+42=1 | | 1/2(x+43)=62 | | x^4+7x^2+14=0 | | c=4-20 | | (4n+n)+(3m-7)i=8-2i | | c=-20 | | 3(x+4)=9x-15 | | d=5-7 | | 7n+14=-6 | | (5x+2)(4x+6)=0 | | -4x-19=-91 | | 26x-=67 | | 2x/5+1+7 | | 15*30= | | -5+5a+4+-2a+3a= | | 6/5+2/5x=31/15+3/5x+1/3 |

Equations solver categories