4y+5y(4+5)y=9y

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Solution for 4y+5y(4+5)y=9y equation:


Simplifying
4y + 5y(4 + 5) * y = 9y

Combine like terms: 4 + 5 = 9
4y + 5y(9) * y = 9y

Reorder the terms for easier multiplication:
4y + 5 * 9y * y = 9y

Multiply 5 * 9
4y + 45y * y = 9y

Multiply y * y
4y + 45y2 = 9y

Solving
4y + 45y2 = 9y

Solving for variable 'y'.

Reorder the terms:
4y + -9y + 45y2 = 9y + -9y

Combine like terms: 4y + -9y = -5y
-5y + 45y2 = 9y + -9y

Combine like terms: 9y + -9y = 0
-5y + 45y2 = 0

Factor out the Greatest Common Factor (GCF), '5y'.
5y(-1 + 9y) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0

Subproblem 2

Set the factor '(-1 + 9y)' equal to zero and attempt to solve: Simplifying -1 + 9y = 0 Solving -1 + 9y = 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 + 9y = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 9y = 0 + 1 9y = 0 + 1 Combine like terms: 0 + 1 = 1 9y = 1 Divide each side by '9'. y = 0.1111111111 Simplifying y = 0.1111111111

Solution

y = {0, 0.1111111111}

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