5=6w+5w(w-5)

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Solution for 5=6w+5w(w-5) equation:


Simplifying
5 = 6w + 5w(w + -5)

Reorder the terms:
5 = 6w + 5w(-5 + w)
5 = 6w + (-5 * 5w + w * 5w)
5 = 6w + (-25w + 5w2)

Combine like terms: 6w + -25w = -19w
5 = -19w + 5w2

Solving
5 = -19w + 5w2

Solving for variable 'w'.

Reorder the terms:
5 + 19w + -5w2 = -19w + 19w + 5w2 + -5w2

Combine like terms: -19w + 19w = 0
5 + 19w + -5w2 = 0 + 5w2 + -5w2
5 + 19w + -5w2 = 5w2 + -5w2

Combine like terms: 5w2 + -5w2 = 0
5 + 19w + -5w2 = 0

Begin completing the square.  Divide all terms by
-5 the coefficient of the squared term: 

Divide each side by '-5'.
-1 + -3.8w + w2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + -3.8w + 1 + w2 = 0 + 1

Reorder the terms:
-1 + 1 + -3.8w + w2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -3.8w + w2 = 0 + 1
-3.8w + w2 = 0 + 1

Combine like terms: 0 + 1 = 1
-3.8w + w2 = 1

The w term is -3.8w.  Take half its coefficient (-1.9).
Square it (3.61) and add it to both sides.

Add '3.61' to each side of the equation.
-3.8w + 3.61 + w2 = 1 + 3.61

Reorder the terms:
3.61 + -3.8w + w2 = 1 + 3.61

Combine like terms: 1 + 3.61 = 4.61
3.61 + -3.8w + w2 = 4.61

Factor a perfect square on the left side:
(w + -1.9)(w + -1.9) = 4.61

Calculate the square root of the right side: 2.147091055

Break this problem into two subproblems by setting 
(w + -1.9) equal to 2.147091055 and -2.147091055.

Subproblem 1

w + -1.9 = 2.147091055 Simplifying w + -1.9 = 2.147091055 Reorder the terms: -1.9 + w = 2.147091055 Solving -1.9 + w = 2.147091055 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '1.9' to each side of the equation. -1.9 + 1.9 + w = 2.147091055 + 1.9 Combine like terms: -1.9 + 1.9 = 0.0 0.0 + w = 2.147091055 + 1.9 w = 2.147091055 + 1.9 Combine like terms: 2.147091055 + 1.9 = 4.047091055 w = 4.047091055 Simplifying w = 4.047091055

Subproblem 2

w + -1.9 = -2.147091055 Simplifying w + -1.9 = -2.147091055 Reorder the terms: -1.9 + w = -2.147091055 Solving -1.9 + w = -2.147091055 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '1.9' to each side of the equation. -1.9 + 1.9 + w = -2.147091055 + 1.9 Combine like terms: -1.9 + 1.9 = 0.0 0.0 + w = -2.147091055 + 1.9 w = -2.147091055 + 1.9 Combine like terms: -2.147091055 + 1.9 = -0.247091055 w = -0.247091055 Simplifying w = -0.247091055

Solution

The solution to the problem is based on the solutions from the subproblems. w = {4.047091055, -0.247091055}

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