(9+9y)(9+9y)=0

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Solution for (9+9y)(9+9y)=0 equation:


Simplifying
(9 + 9y)(9 + 9y) = 0

Multiply (9 + 9y) * (9 + 9y)
(9(9 + 9y) + 9y * (9 + 9y)) = 0
((9 * 9 + 9y * 9) + 9y * (9 + 9y)) = 0
((81 + 81y) + 9y * (9 + 9y)) = 0
(81 + 81y + (9 * 9y + 9y * 9y)) = 0
(81 + 81y + (81y + 81y2)) = 0

Combine like terms: 81y + 81y = 162y
(81 + 162y + 81y2) = 0

Solving
81 + 162y + 81y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '81'.
81(1 + 2y + y2) = 0

Factor a trinomial.
81((1 + y)(1 + y)) = 0

Ignore the factor 81.

Subproblem 1

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

Subproblem 2

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

Solution

y = {-1, -1}

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