(7w^2+9w+9)-(6w^2-8w-8)+(-3w^2+5w+7)=

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Solution for (7w^2+9w+9)-(6w^2-8w-8)+(-3w^2+5w+7)= equation:


Simplifying
(7w2 + 9w + 9) + -1(6w2 + -8w + -8) + (-3w2 + 5w + 7) = 0

Reorder the terms:
(9 + 9w + 7w2) + -1(6w2 + -8w + -8) + (-3w2 + 5w + 7) = 0

Remove parenthesis around (9 + 9w + 7w2)
9 + 9w + 7w2 + -1(6w2 + -8w + -8) + (-3w2 + 5w + 7) = 0

Reorder the terms:
9 + 9w + 7w2 + -1(-8 + -8w + 6w2) + (-3w2 + 5w + 7) = 0
9 + 9w + 7w2 + (-8 * -1 + -8w * -1 + 6w2 * -1) + (-3w2 + 5w + 7) = 0
9 + 9w + 7w2 + (8 + 8w + -6w2) + (-3w2 + 5w + 7) = 0

Reorder the terms:
9 + 9w + 7w2 + 8 + 8w + -6w2 + (7 + 5w + -3w2) = 0

Remove parenthesis around (7 + 5w + -3w2)
9 + 9w + 7w2 + 8 + 8w + -6w2 + 7 + 5w + -3w2 = 0

Reorder the terms:
9 + 8 + 7 + 9w + 8w + 5w + 7w2 + -6w2 + -3w2 = 0

Combine like terms: 9 + 8 = 17
17 + 7 + 9w + 8w + 5w + 7w2 + -6w2 + -3w2 = 0

Combine like terms: 17 + 7 = 24
24 + 9w + 8w + 5w + 7w2 + -6w2 + -3w2 = 0

Combine like terms: 9w + 8w = 17w
24 + 17w + 5w + 7w2 + -6w2 + -3w2 = 0

Combine like terms: 17w + 5w = 22w
24 + 22w + 7w2 + -6w2 + -3w2 = 0

Combine like terms: 7w2 + -6w2 = 1w2
24 + 22w + 1w2 + -3w2 = 0

Combine like terms: 1w2 + -3w2 = -2w2
24 + 22w + -2w2 = 0

Solving
24 + 22w + -2w2 = 0

Solving for variable 'w'.

Factor out the Greatest Common Factor (GCF), '2'.
2(12 + 11w + -1w2) = 0

Factor a trinomial.
2((12 + -1w)(1 + w)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(12 + -1w)' equal to zero and attempt to solve: Simplifying 12 + -1w = 0 Solving 12 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1w = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1w = 0 + -12 -1w = 0 + -12 Combine like terms: 0 + -12 = -12 -1w = -12 Divide each side by '-1'. w = 12 Simplifying w = 12

Subproblem 2

Set the factor '(1 + w)' equal to zero and attempt to solve: Simplifying 1 + w = 0 Solving 1 + w = 0 Move all terms containing w to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + w = 0 + -1 Combine like terms: 1 + -1 = 0 0 + w = 0 + -1 w = 0 + -1 Combine like terms: 0 + -1 = -1 w = -1 Simplifying w = -1

Solution

w = {12, -1}

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