2y^2-6y+9=9

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Solution for 2y^2-6y+9=9 equation:


Simplifying
2y2 + -6y + 9 = 9

Reorder the terms:
9 + -6y + 2y2 = 9

Add '-9' to each side of the equation.
9 + -6y + -9 + 2y2 = 9 + -9

Reorder the terms:
9 + -9 + -6y + 2y2 = 9 + -9

Combine like terms: 9 + -9 = 0
0 + -6y + 2y2 = 9 + -9
-6y + 2y2 = 9 + -9

Combine like terms: 9 + -9 = 0
-6y + 2y2 = 0

Solving
-6y + 2y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '2y'.
2y(-3 + y) = 0

Ignore the factor 2.

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 '(-3 + y)' equal to zero and attempt to solve: Simplifying -3 + y = 0 Solving -3 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + y = 0 + 3 Combine like terms: -3 + 3 = 0 0 + y = 0 + 3 y = 0 + 3 Combine like terms: 0 + 3 = 3 y = 3 Simplifying y = 3

Solution

y = {0, 3}

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