w^2=64-16w

Simple and best practice solution for w^2=64-16w 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 w^2=64-16w equation:


Simplifying
w2 = 64 + -16w

Solving
w2 = 64 + -16w

Solving for variable 'w'.

Reorder the terms:
-64 + 16w + w2 = 64 + -16w + -64 + 16w

Reorder the terms:
-64 + 16w + w2 = 64 + -64 + -16w + 16w

Combine like terms: 64 + -64 = 0
-64 + 16w + w2 = 0 + -16w + 16w
-64 + 16w + w2 = -16w + 16w

Combine like terms: -16w + 16w = 0
-64 + 16w + w2 = 0

Begin completing the square.

Move the constant term to the right:

Add '64' to each side of the equation.
-64 + 16w + 64 + w2 = 0 + 64

Reorder the terms:
-64 + 64 + 16w + w2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + 16w + w2 = 0 + 64
16w + w2 = 0 + 64

Combine like terms: 0 + 64 = 64
16w + w2 = 64

The w term is 16w.  Take half its coefficient (8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
16w + 64 + w2 = 64 + 64

Reorder the terms:
64 + 16w + w2 = 64 + 64

Combine like terms: 64 + 64 = 128
64 + 16w + w2 = 128

Factor a perfect square on the left side:
(w + 8)(w + 8) = 128

Calculate the square root of the right side: 11.313708499

Break this problem into two subproblems by setting 
(w + 8) equal to 11.313708499 and -11.313708499.

Subproblem 1

w + 8 = 11.313708499 Simplifying w + 8 = 11.313708499 Reorder the terms: 8 + w = 11.313708499 Solving 8 + w = 11.313708499 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + w = 11.313708499 + -8 Combine like terms: 8 + -8 = 0 0 + w = 11.313708499 + -8 w = 11.313708499 + -8 Combine like terms: 11.313708499 + -8 = 3.313708499 w = 3.313708499 Simplifying w = 3.313708499

Subproblem 2

w + 8 = -11.313708499 Simplifying w + 8 = -11.313708499 Reorder the terms: 8 + w = -11.313708499 Solving 8 + w = -11.313708499 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + w = -11.313708499 + -8 Combine like terms: 8 + -8 = 0 0 + w = -11.313708499 + -8 w = -11.313708499 + -8 Combine like terms: -11.313708499 + -8 = -19.313708499 w = -19.313708499 Simplifying w = -19.313708499

Solution

The solution to the problem is based on the solutions from the subproblems. w = {3.313708499, -19.313708499}

See similar equations:

| 4/5-3/20 | | 3x^2-9=6x | | x^2+12x-79=0 | | 25+50n=80n | | x^4+1=12 | | 5(x)+0=10 | | 7x^2-14x=100 | | 3(x+1)+4=1 | | -3x+14=-10 | | 5(-5)+y=10 | | X/20=60/100 | | 9-2m=9m-13 | | 12x^2+y^2=48 | | -12+4n=6(n+-2) | | 13=5+h | | 5(-1)+y=10 | | 2x^2+28x-56=0 | | 3/4x-6y=18 | | 100=63+x | | 7y+1+y=4y+25 | | -12+4=6(n-2) | | 8.2x-3.6-2.1x=6.1x-3.6 | | 4+7x=14-3x | | T+2.5=-9.5 | | 9x-5+2x=9-4x-14 | | -5(-3+0.5)=1 | | B-(-9)=2 | | -3(-7-8b)= | | x/-3+2.5 | | 4=-9+c | | M-1.5=9 | | 1/(-1.5+2) |

Equations solver categories