0=x^2-64x-512

Simple and best practice solution for 0=x^2-64x-512 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 0=x^2-64x-512 equation:


Simplifying
0 = x2 + -64x + -512

Reorder the terms:
0 = -512 + -64x + x2

Solving
0 = -512 + -64x + x2

Solving for variable 'x'.

Combine like terms: 0 + 512 = 512
512 + 64x + -1x2 = -512 + -64x + x2 + 512 + 64x + -1x2

Reorder the terms:
512 + 64x + -1x2 = -512 + 512 + -64x + 64x + x2 + -1x2

Combine like terms: -512 + 512 = 0
512 + 64x + -1x2 = 0 + -64x + 64x + x2 + -1x2
512 + 64x + -1x2 = -64x + 64x + x2 + -1x2

Combine like terms: -64x + 64x = 0
512 + 64x + -1x2 = 0 + x2 + -1x2
512 + 64x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
512 + 64x + -1x2 = 0

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

Divide each side by '-1'.
-512 + -64x + x2 = 0

Move the constant term to the right:

Add '512' to each side of the equation.
-512 + -64x + 512 + x2 = 0 + 512

Reorder the terms:
-512 + 512 + -64x + x2 = 0 + 512

Combine like terms: -512 + 512 = 0
0 + -64x + x2 = 0 + 512
-64x + x2 = 0 + 512

Combine like terms: 0 + 512 = 512
-64x + x2 = 512

The x term is -64x.  Take half its coefficient (-32).
Square it (1024) and add it to both sides.

Add '1024' to each side of the equation.
-64x + 1024 + x2 = 512 + 1024

Reorder the terms:
1024 + -64x + x2 = 512 + 1024

Combine like terms: 512 + 1024 = 1536
1024 + -64x + x2 = 1536

Factor a perfect square on the left side:
(x + -32)(x + -32) = 1536

Calculate the square root of the right side: 39.191835885

Break this problem into two subproblems by setting 
(x + -32) equal to 39.191835885 and -39.191835885.

Subproblem 1

x + -32 = 39.191835885 Simplifying x + -32 = 39.191835885 Reorder the terms: -32 + x = 39.191835885 Solving -32 + x = 39.191835885 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '32' to each side of the equation. -32 + 32 + x = 39.191835885 + 32 Combine like terms: -32 + 32 = 0 0 + x = 39.191835885 + 32 x = 39.191835885 + 32 Combine like terms: 39.191835885 + 32 = 71.191835885 x = 71.191835885 Simplifying x = 71.191835885

Subproblem 2

x + -32 = -39.191835885 Simplifying x + -32 = -39.191835885 Reorder the terms: -32 + x = -39.191835885 Solving -32 + x = -39.191835885 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '32' to each side of the equation. -32 + 32 + x = -39.191835885 + 32 Combine like terms: -32 + 32 = 0 0 + x = -39.191835885 + 32 x = -39.191835885 + 32 Combine like terms: -39.191835885 + 32 = -7.191835885 x = -7.191835885 Simplifying x = -7.191835885

Solution

The solution to the problem is based on the solutions from the subproblems. x = {71.191835885, -7.191835885}

See similar equations:

| 5+-(8)n=29 | | 21+2n=43 | | -164=-5-3(7m+4) | | cos(x)-cos(7x)=sen(4x) | | 6(2x-3)-13=2(x-1) | | 3=2b+5b | | 5(3y-11)=-10 | | 3y+27=6x | | x+(x+0.39)+(x+0.41)=10.25 | | -4y=12y-64 | | 4+-2g=16 | | 19-5x-8+7x= | | -7-14=35 | | 16-16x-x^2=4x+5 | | 52=3w+13 | | 3=-3(x+10) | | 5x+4x-45=60-6x | | 5y+y=48 | | 1x-.30x=525 | | 16t-t-5s-9t= | | -18.99=x+6.23 | | 9w-w=48 | | 4x+3x=15 | | 15i-4f-17i+3f= | | x-19.8=-4.24 | | 6cos(x)+8sin(x)=0 | | 3(2x-3)-13=2(x-1) | | 2n-16=14 | | 9u-v-11u+v= | | xt(-100)=-99 | | 6.2+1.2=8.9x | | ax+bx-3=-8 |

Equations solver categories