x^2-60=-18x

Simple and best practice solution for x^2-60=-18x 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^2-60=-18x equation:


Simplifying
x2 + -60 = -18x

Reorder the terms:
-60 + x2 = -18x

Solving
-60 + x2 = -18x

Solving for variable 'x'.

Reorder the terms:
-60 + 18x + x2 = -18x + 18x

Combine like terms: -18x + 18x = 0
-60 + 18x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '60' to each side of the equation.
-60 + 18x + 60 + x2 = 0 + 60

Reorder the terms:
-60 + 60 + 18x + x2 = 0 + 60

Combine like terms: -60 + 60 = 0
0 + 18x + x2 = 0 + 60
18x + x2 = 0 + 60

Combine like terms: 0 + 60 = 60
18x + x2 = 60

The x term is 18x.  Take half its coefficient (9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
18x + 81 + x2 = 60 + 81

Reorder the terms:
81 + 18x + x2 = 60 + 81

Combine like terms: 60 + 81 = 141
81 + 18x + x2 = 141

Factor a perfect square on the left side:
(x + 9)(x + 9) = 141

Calculate the square root of the right side: 11.874342087

Break this problem into two subproblems by setting 
(x + 9) equal to 11.874342087 and -11.874342087.

Subproblem 1

x + 9 = 11.874342087 Simplifying x + 9 = 11.874342087 Reorder the terms: 9 + x = 11.874342087 Solving 9 + x = 11.874342087 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 11.874342087 + -9 Combine like terms: 9 + -9 = 0 0 + x = 11.874342087 + -9 x = 11.874342087 + -9 Combine like terms: 11.874342087 + -9 = 2.874342087 x = 2.874342087 Simplifying x = 2.874342087

Subproblem 2

x + 9 = -11.874342087 Simplifying x + 9 = -11.874342087 Reorder the terms: 9 + x = -11.874342087 Solving 9 + x = -11.874342087 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = -11.874342087 + -9 Combine like terms: 9 + -9 = 0 0 + x = -11.874342087 + -9 x = -11.874342087 + -9 Combine like terms: -11.874342087 + -9 = -20.874342087 x = -20.874342087 Simplifying x = -20.874342087

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.874342087, -20.874342087}

See similar equations:

| 5-3x=2x-6 | | 7-7x=7-5x | | c+1.2=3.7 | | 14+7x=7-2x | | s+2=26 | | 4b-8=9b-33 | | -3x+33=24 | | z+1=.50z+4 | | 10=70/x | | h=-4.9t^2+3200 | | h=-4.9t^2+2800 | | 1/3p-3=114 | | 6x^2-60=-18x | | -3(2y+2)=2(1+3y) | | 4a+2=5a-2 | | 1/3(-3p)=114 | | [9]= | | K/51=66 | | K/51=33 | | (3x+2)(3x+2)=10 | | -17b+5a-2b+2a= | | d=9cm | | 3-1/3p=114 | | -3(2y+2)=(1+3y) | | p(x)=0.1x^2-x+69 | | x/-13=40 | | 11x^2-44x+34=0 | | -4a-2(2a-4)= | | 5a+3b-9a+9ab-8b= | | 5a+3b-9a+ab-8b= | | z^2+2-6=0 | | ax+15=13 |

Equations solver categories