-6y^2+9y^2-y-9-7y^2+1+10y+3y=0

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Solution for -6y^2+9y^2-y-9-7y^2+1+10y+3y=0 equation:


Simplifying
-6y2 + 9y2 + -1y + -9 + -7y2 + 1 + 10y + 3y = 0

Reorder the terms:
-9 + 1 + -1y + 10y + 3y + -6y2 + 9y2 + -7y2 = 0

Combine like terms: -9 + 1 = -8
-8 + -1y + 10y + 3y + -6y2 + 9y2 + -7y2 = 0

Combine like terms: -1y + 10y = 9y
-8 + 9y + 3y + -6y2 + 9y2 + -7y2 = 0

Combine like terms: 9y + 3y = 12y
-8 + 12y + -6y2 + 9y2 + -7y2 = 0

Combine like terms: -6y2 + 9y2 = 3y2
-8 + 12y + 3y2 + -7y2 = 0

Combine like terms: 3y2 + -7y2 = -4y2
-8 + 12y + -4y2 = 0

Solving
-8 + 12y + -4y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-2 + 3y + -1y2) = 0

Factor a trinomial.
4((-2 + y)(1 + -1y)) = 0

Ignore the factor 4.

Subproblem 1

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

Subproblem 2

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

Solution

y = {2, 1}

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