w^2+7w-35=

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Solution for w^2+7w-35= equation:


Simplifying
w2 + 7w + -35 = 0

Reorder the terms:
-35 + 7w + w2 = 0

Solving
-35 + 7w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '35' to each side of the equation.
-35 + 7w + 35 + w2 = 0 + 35

Reorder the terms:
-35 + 35 + 7w + w2 = 0 + 35

Combine like terms: -35 + 35 = 0
0 + 7w + w2 = 0 + 35
7w + w2 = 0 + 35

Combine like terms: 0 + 35 = 35
7w + w2 = 35

The w term is 7w.  Take half its coefficient (3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
7w + 12.25 + w2 = 35 + 12.25

Reorder the terms:
12.25 + 7w + w2 = 35 + 12.25

Combine like terms: 35 + 12.25 = 47.25
12.25 + 7w + w2 = 47.25

Factor a perfect square on the left side:
(w + 3.5)(w + 3.5) = 47.25

Calculate the square root of the right side: 6.873863542

Break this problem into two subproblems by setting 
(w + 3.5) equal to 6.873863542 and -6.873863542.

Subproblem 1

w + 3.5 = 6.873863542 Simplifying w + 3.5 = 6.873863542 Reorder the terms: 3.5 + w = 6.873863542 Solving 3.5 + w = 6.873863542 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + w = 6.873863542 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + w = 6.873863542 + -3.5 w = 6.873863542 + -3.5 Combine like terms: 6.873863542 + -3.5 = 3.373863542 w = 3.373863542 Simplifying w = 3.373863542

Subproblem 2

w + 3.5 = -6.873863542 Simplifying w + 3.5 = -6.873863542 Reorder the terms: 3.5 + w = -6.873863542 Solving 3.5 + w = -6.873863542 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + w = -6.873863542 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + w = -6.873863542 + -3.5 w = -6.873863542 + -3.5 Combine like terms: -6.873863542 + -3.5 = -10.373863542 w = -10.373863542 Simplifying w = -10.373863542

Solution

The solution to the problem is based on the solutions from the subproblems. w = {3.373863542, -10.373863542}

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