x^2-36x+45=5

Simple and best practice solution for x^2-36x+45=5 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^2-36x+45=5 equation:


Simplifying
x2 + -36x + 45 = 5

Reorder the terms:
45 + -36x + x2 = 5

Solving
45 + -36x + x2 = 5

Solving for variable 'x'.

Reorder the terms:
45 + -5 + -36x + x2 = 5 + -5

Combine like terms: 45 + -5 = 40
40 + -36x + x2 = 5 + -5

Combine like terms: 5 + -5 = 0
40 + -36x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-40' to each side of the equation.
40 + -36x + -40 + x2 = 0 + -40

Reorder the terms:
40 + -40 + -36x + x2 = 0 + -40

Combine like terms: 40 + -40 = 0
0 + -36x + x2 = 0 + -40
-36x + x2 = 0 + -40

Combine like terms: 0 + -40 = -40
-36x + x2 = -40

The x term is -36x.  Take half its coefficient (-18).
Square it (324) and add it to both sides.

Add '324' to each side of the equation.
-36x + 324 + x2 = -40 + 324

Reorder the terms:
324 + -36x + x2 = -40 + 324

Combine like terms: -40 + 324 = 284
324 + -36x + x2 = 284

Factor a perfect square on the left side:
(x + -18)(x + -18) = 284

Calculate the square root of the right side: 16.852299546

Break this problem into two subproblems by setting 
(x + -18) equal to 16.852299546 and -16.852299546.

Subproblem 1

x + -18 = 16.852299546 Simplifying x + -18 = 16.852299546 Reorder the terms: -18 + x = 16.852299546 Solving -18 + x = 16.852299546 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + x = 16.852299546 + 18 Combine like terms: -18 + 18 = 0 0 + x = 16.852299546 + 18 x = 16.852299546 + 18 Combine like terms: 16.852299546 + 18 = 34.852299546 x = 34.852299546 Simplifying x = 34.852299546

Subproblem 2

x + -18 = -16.852299546 Simplifying x + -18 = -16.852299546 Reorder the terms: -18 + x = -16.852299546 Solving -18 + x = -16.852299546 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + x = -16.852299546 + 18 Combine like terms: -18 + 18 = 0 0 + x = -16.852299546 + 18 x = -16.852299546 + 18 Combine like terms: -16.852299546 + 18 = 1.147700454 x = 1.147700454 Simplifying x = 1.147700454

Solution

The solution to the problem is based on the solutions from the subproblems. x = {34.852299546, 1.147700454}

See similar equations:

| x^2-36x+45=0 | | x^2-36x+40=5 | | 180=13x-34 | | 180=12x-34 | | 4x-4=3(x-1) | | x^2-16x+22=1 | | 180=3x-16+55 | | 5x/4=4 | | x^3-6x^2+2x+4=0 | | 3x^2+11x-12=x-4 | | 3(2x+3)=4x+9 | | 4x-10=26-2x | | 4x+3=9x-17 | | n+5n-3c= | | 4000=-16x^2+160x | | 14t-3t= | | -3/4(x-(-2)) | | 3(11-2x)=45 | | (9c+3b)= | | (4d+12)= | | -3+x=148 | | 2(5x+3)=52 | | 49=37-x | | x+x-4=26 | | x+x-4+12=26 | | x+x+4+12=26 | | x^2+y^2+6y=4 | | 4x+21=15 | | x-15=202 | | 5y=-2x | | 2+2w=-8 | | 7.5+4+x+x=2+x+x+9.5 |

Equations solver categories