x^2-38x-64=0

Simple and best practice solution for x^2-38x-64=0 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^2-38x-64=0 equation:


Simplifying
x2 + -38x + -64 = 0

Reorder the terms:
-64 + -38x + x2 = 0

Solving
-64 + -38x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '64' to each side of the equation.
-64 + -38x + 64 + x2 = 0 + 64

Reorder the terms:
-64 + 64 + -38x + x2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + -38x + x2 = 0 + 64
-38x + x2 = 0 + 64

Combine like terms: 0 + 64 = 64
-38x + x2 = 64

The x term is -38x.  Take half its coefficient (-19).
Square it (361) and add it to both sides.

Add '361' to each side of the equation.
-38x + 361 + x2 = 64 + 361

Reorder the terms:
361 + -38x + x2 = 64 + 361

Combine like terms: 64 + 361 = 425
361 + -38x + x2 = 425

Factor a perfect square on the left side:
(x + -19)(x + -19) = 425

Calculate the square root of the right side: 20.615528128

Break this problem into two subproblems by setting 
(x + -19) equal to 20.615528128 and -20.615528128.

Subproblem 1

x + -19 = 20.615528128 Simplifying x + -19 = 20.615528128 Reorder the terms: -19 + x = 20.615528128 Solving -19 + x = 20.615528128 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '19' to each side of the equation. -19 + 19 + x = 20.615528128 + 19 Combine like terms: -19 + 19 = 0 0 + x = 20.615528128 + 19 x = 20.615528128 + 19 Combine like terms: 20.615528128 + 19 = 39.615528128 x = 39.615528128 Simplifying x = 39.615528128

Subproblem 2

x + -19 = -20.615528128 Simplifying x + -19 = -20.615528128 Reorder the terms: -19 + x = -20.615528128 Solving -19 + x = -20.615528128 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '19' to each side of the equation. -19 + 19 + x = -20.615528128 + 19 Combine like terms: -19 + 19 = 0 0 + x = -20.615528128 + 19 x = -20.615528128 + 19 Combine like terms: -20.615528128 + 19 = -1.615528128 x = -1.615528128 Simplifying x = -1.615528128

Solution

The solution to the problem is based on the solutions from the subproblems. x = {39.615528128, -1.615528128}

See similar equations:

| 7v^2-56=0 | | -4(x+1)=2(1-2y)-6 | | 5.58=10(x)+-11(1-x) | | 5.8=10(x)+-11(1-x) | | 9.4=10(x)+-11(1-x) | | -7.8=10(x)+-11(1-x) | | -3.9=10(x)+-11(1-x) | | 4x-16=6x+4 | | -3=10(x)+-11(1-x) | | (2)/(3)*(4)/(5)÷(1)/(2) | | 2y+7x=-12 | | 6.02=10(x)+-27(1-x) | | 5.8=10(x)+-27(1-x) | | 3x+2x+5=6x-4x+7 | | -(7v+7)=-27-3v | | 9.4=10(x)+-27(1-x) | | -7.8=10(x)+-27(1-x) | | -3.9=10(x)+-27(1-x) | | 9+9x-5=49 | | -3=10(x)+-27(1-x) | | -7.8=10(x)+-8(1-x) | | [8x+9]+9=4 | | -3.9=10(x)+-8(1-x) | | n-(-69)=103 | | -3=10(x)+-8(1-x) | | 36=w-1/4w | | (3x-8)=-12 | | (4x-2)=(5x+10) | | (7x-2)=(2x+8) | | 8=-1/4t | | 7x+2=78-x | | 6.02=10(x)+-8(1-x) |

Equations solver categories