x^2-20x-60=2

Simple and best practice solution for x^2-20x-60=2 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^2-20x-60=2 equation:


Simplifying
x2 + -20x + -60 = 2

Reorder the terms:
-60 + -20x + x2 = 2

Solving
-60 + -20x + x2 = 2

Solving for variable 'x'.

Reorder the terms:
-60 + -2 + -20x + x2 = 2 + -2

Combine like terms: -60 + -2 = -62
-62 + -20x + x2 = 2 + -2

Combine like terms: 2 + -2 = 0
-62 + -20x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '62' to each side of the equation.
-62 + -20x + 62 + x2 = 0 + 62

Reorder the terms:
-62 + 62 + -20x + x2 = 0 + 62

Combine like terms: -62 + 62 = 0
0 + -20x + x2 = 0 + 62
-20x + x2 = 0 + 62

Combine like terms: 0 + 62 = 62
-20x + x2 = 62

The x term is -20x.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20x + 100 + x2 = 62 + 100

Reorder the terms:
100 + -20x + x2 = 62 + 100

Combine like terms: 62 + 100 = 162
100 + -20x + x2 = 162

Factor a perfect square on the left side:
(x + -10)(x + -10) = 162

Calculate the square root of the right side: 12.727922061

Break this problem into two subproblems by setting 
(x + -10) equal to 12.727922061 and -12.727922061.

Subproblem 1

x + -10 = 12.727922061 Simplifying x + -10 = 12.727922061 Reorder the terms: -10 + x = 12.727922061 Solving -10 + x = 12.727922061 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 12.727922061 + 10 Combine like terms: -10 + 10 = 0 0 + x = 12.727922061 + 10 x = 12.727922061 + 10 Combine like terms: 12.727922061 + 10 = 22.727922061 x = 22.727922061 Simplifying x = 22.727922061

Subproblem 2

x + -10 = -12.727922061 Simplifying x + -10 = -12.727922061 Reorder the terms: -10 + x = -12.727922061 Solving -10 + x = -12.727922061 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = -12.727922061 + 10 Combine like terms: -10 + 10 = 0 0 + x = -12.727922061 + 10 x = -12.727922061 + 10 Combine like terms: -12.727922061 + 10 = -2.727922061 x = -2.727922061 Simplifying x = -2.727922061

Solution

The solution to the problem is based on the solutions from the subproblems. x = {22.727922061, -2.727922061}

See similar equations:

| a^2+20a+61=-3 | | b^2-8b+23=8 | | 3(4y+3x)-(x-y)= | | 12y+9x-(x-y)= | | tan(x)=-1.5 | | 11x+2y=6 | | -x^2-14x-24=0 | | z+z/2-z/3=5 | | x+2/3=x+2 | | 5x^2+30x+39=0 | | x^2+4x+50=14-8x | | -2x^2-6x-46=0 | | 9x^2-11x-3=0 | | -2x-6x-46=0 | | f(x)=5x^2+1 | | 2x^2-6x=1+.25x^2 | | b^2-12b-13=7 | | x=-16x^2+40x+1 | | a+60=3b | | (2x)(x-3)+1.25x^2=0 | | 2x-13=2x+8 | | p^2-14p+23=-10 | | -7v(v+2)+2v+6=7v+6 | | 7x^3-31x^2+33x-9=x-3 | | (x+1)(x-1)=x^2+x | | 3(y-4)=8 | | 4x-26=3x+15 | | 19=x-2 | | (5x^4-255)=-12 | | 7p+2q=29 | | x+19=5x-37 | | =-2x+34 |

Equations solver categories