(9w+11)(w+9)=79

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Solution for (9w+11)(w+9)=79 equation:


Simplifying
(9w + 11)(w + 9) = 79

Reorder the terms:
(11 + 9w)(w + 9) = 79

Reorder the terms:
(11 + 9w)(9 + w) = 79

Multiply (11 + 9w) * (9 + w)
(11(9 + w) + 9w * (9 + w)) = 79
((9 * 11 + w * 11) + 9w * (9 + w)) = 79
((99 + 11w) + 9w * (9 + w)) = 79
(99 + 11w + (9 * 9w + w * 9w)) = 79
(99 + 11w + (81w + 9w2)) = 79

Combine like terms: 11w + 81w = 92w
(99 + 92w + 9w2) = 79

Solving
99 + 92w + 9w2 = 79

Solving for variable 'w'.

Reorder the terms:
99 + -79 + 92w + 9w2 = 79 + -79

Combine like terms: 99 + -79 = 20
20 + 92w + 9w2 = 79 + -79

Combine like terms: 79 + -79 = 0
20 + 92w + 9w2 = 0

Factor a trinomial.
(10 + w)(2 + 9w) = 0

Subproblem 1

Set the factor '(10 + w)' equal to zero and attempt to solve: Simplifying 10 + w = 0 Solving 10 + w = 0 Move all terms containing w to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + w = 0 + -10 Combine like terms: 10 + -10 = 0 0 + w = 0 + -10 w = 0 + -10 Combine like terms: 0 + -10 = -10 w = -10 Simplifying w = -10

Subproblem 2

Set the factor '(2 + 9w)' equal to zero and attempt to solve: Simplifying 2 + 9w = 0 Solving 2 + 9w = 0 Move all terms containing w to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 9w = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 9w = 0 + -2 9w = 0 + -2 Combine like terms: 0 + -2 = -2 9w = -2 Divide each side by '9'. w = -0.2222222222 Simplifying w = -0.2222222222

Solution

w = {-10, -0.2222222222}

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