64+x=x^2+4x+16

Simple and best practice solution for 64+x=x^2+4x+16 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 64+x=x^2+4x+16 equation:


Simplifying
64 + x = x2 + 4x + 16

Reorder the terms:
64 + x = 16 + 4x + x2

Solving
64 + x = 16 + 4x + x2

Solving for variable 'x'.

Reorder the terms:
64 + -16 + x + -4x + -1x2 = 16 + 4x + x2 + -16 + -4x + -1x2

Combine like terms: 64 + -16 = 48
48 + x + -4x + -1x2 = 16 + 4x + x2 + -16 + -4x + -1x2

Combine like terms: x + -4x = -3x
48 + -3x + -1x2 = 16 + 4x + x2 + -16 + -4x + -1x2

Reorder the terms:
48 + -3x + -1x2 = 16 + -16 + 4x + -4x + x2 + -1x2

Combine like terms: 16 + -16 = 0
48 + -3x + -1x2 = 0 + 4x + -4x + x2 + -1x2
48 + -3x + -1x2 = 4x + -4x + x2 + -1x2

Combine like terms: 4x + -4x = 0
48 + -3x + -1x2 = 0 + x2 + -1x2
48 + -3x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
48 + -3x + -1x2 = 0

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

Divide each side by '-1'.
-48 + 3x + x2 = 0

Move the constant term to the right:

Add '48' to each side of the equation.
-48 + 3x + 48 + x2 = 0 + 48

Reorder the terms:
-48 + 48 + 3x + x2 = 0 + 48

Combine like terms: -48 + 48 = 0
0 + 3x + x2 = 0 + 48
3x + x2 = 0 + 48

Combine like terms: 0 + 48 = 48
3x + x2 = 48

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = 48 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 48 + 2.25

Combine like terms: 48 + 2.25 = 50.25
2.25 + 3x + x2 = 50.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 50.25

Calculate the square root of the right side: 7.088723439

Break this problem into two subproblems by setting 
(x + 1.5) equal to 7.088723439 and -7.088723439.

Subproblem 1

x + 1.5 = 7.088723439 Simplifying x + 1.5 = 7.088723439 Reorder the terms: 1.5 + x = 7.088723439 Solving 1.5 + x = 7.088723439 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 7.088723439 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 7.088723439 + -1.5 x = 7.088723439 + -1.5 Combine like terms: 7.088723439 + -1.5 = 5.588723439 x = 5.588723439 Simplifying x = 5.588723439

Subproblem 2

x + 1.5 = -7.088723439 Simplifying x + 1.5 = -7.088723439 Reorder the terms: 1.5 + x = -7.088723439 Solving 1.5 + x = -7.088723439 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -7.088723439 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -7.088723439 + -1.5 x = -7.088723439 + -1.5 Combine like terms: -7.088723439 + -1.5 = -8.588723439 x = -8.588723439 Simplifying x = -8.588723439

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.588723439, -8.588723439}

See similar equations:

| x^2+2x-39=9 | | 5y/3*2y/9 | | 6+11x=16+x | | 2x^2+13x-6=1 | | x/6-1=9 | | x^2-15x-725=0 | | 0.6(x-6)(x+10)=0 | | y=(600-9x)/10 | | 16=6z-2 | | 45y/(-9y) | | 4x^2+14x+2=-8 | | 3x-1=11x-1 | | 7v^2-22v-24=0 | | 2x-26+90=180 | | 366/4 | | -4f+13=3f-1 | | 15x^2-32x+16=0 | | (5y-9)(3y-4)= | | 4(x+7)=4x+4(7) | | 40+a=8a+5 | | 16x-13=-13 | | 5x+6=8x+15 | | 5x+x^2=800 | | (3p-5)(p+2)= | | -72x^4-45x^3+105x^2-9x-72=0 | | 7*3=2110 | | (x+1)(x+1)(x+1)(x+1)+x^4=32 | | (x-7)(x-13)=0 | | 7x=366-3x | | (x+1)(x+1)(x+1)(x+1)=0 | | 6(m-4)=4m-2 | | 35x/5x |

Equations solver categories