36x-x^2=64

Simple and best practice solution for 36x-x^2=64 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 36x-x^2=64 equation:


Simplifying
36x + -1x2 = 64

Solving
36x + -1x2 = 64

Solving for variable 'x'.

Reorder the terms:
-64 + 36x + -1x2 = 64 + -64

Combine like terms: 64 + -64 = 0
-64 + 36x + -1x2 = 0

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

Divide each side by '-1'.
64 + -36x + x2 = 0

Move the constant term to the right:

Add '-64' to each side of the equation.
64 + -36x + -64 + x2 = 0 + -64

Reorder the terms:
64 + -64 + -36x + x2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -36x + x2 = 0 + -64
-36x + x2 = 0 + -64

Combine like terms: 0 + -64 = -64
-36x + x2 = -64

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 = -64 + 324

Reorder the terms:
324 + -36x + x2 = -64 + 324

Combine like terms: -64 + 324 = 260
324 + -36x + x2 = 260

Factor a perfect square on the left side:
(x + -18)(x + -18) = 260

Calculate the square root of the right side: 16.124515497

Break this problem into two subproblems by setting 
(x + -18) equal to 16.124515497 and -16.124515497.

Subproblem 1

x + -18 = 16.124515497 Simplifying x + -18 = 16.124515497 Reorder the terms: -18 + x = 16.124515497 Solving -18 + x = 16.124515497 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 = 16.124515497 + 18 Combine like terms: -18 + 18 = 0 0 + x = 16.124515497 + 18 x = 16.124515497 + 18 Combine like terms: 16.124515497 + 18 = 34.124515497 x = 34.124515497 Simplifying x = 34.124515497

Subproblem 2

x + -18 = -16.124515497 Simplifying x + -18 = -16.124515497 Reorder the terms: -18 + x = -16.124515497 Solving -18 + x = -16.124515497 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 = -16.124515497 + 18 Combine like terms: -18 + 18 = 0 0 + x = -16.124515497 + 18 x = -16.124515497 + 18 Combine like terms: -16.124515497 + 18 = 1.875484503 x = 1.875484503 Simplifying x = 1.875484503

Solution

The solution to the problem is based on the solutions from the subproblems. x = {34.124515497, 1.875484503}

See similar equations:

| 11=x-13 | | X+x(2)+8=43 | | X+18.5=25 | | 13x+15=11x+3 | | h^2-64/25= | | 2x+1+x+x+15=180 | | y[n]=0.25y[n-1]+3x[n]-x[n-1] | | 2+-10x=-8+-10x | | 2x+1+x+15=180 | | 2x+1=x+15 | | 4c^2-81d^2= | | x^2=94.25 | | 35+x=squared | | 35+x=xsquated | | 100+12x=70+5(n+2) | | x-9=-9-8 | | 100+12x=80+5(n+4) | | 10=t^2-1/2 | | 9b^2+15b+4= | | 6x+8.4=2x+16 | | 3-b=19 | | 100+12x=80+5(n+2) | | -9b-27=-45 | | 5b+1b-3=15 | | 2^7-3x=1/4 | | 25v^2-10v+1= | | Y/4-9=15 | | 10n-17=7 | | d=5m+2 | | 7r+14=7 | | 100+12x=80+10(n+5) | | 1.9x^2-3x+10=0 |

Equations solver categories