(8y^2+6y)-(-8y^2-2y+8)=

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Solution for (8y^2+6y)-(-8y^2-2y+8)= equation:


Simplifying
(8y2 + 6y) + -1(-8y2 + -2y + 8) = 0

Reorder the terms:
(6y + 8y2) + -1(-8y2 + -2y + 8) = 0

Remove parenthesis around (6y + 8y2)
6y + 8y2 + -1(-8y2 + -2y + 8) = 0

Reorder the terms:
6y + 8y2 + -1(8 + -2y + -8y2) = 0
6y + 8y2 + (8 * -1 + -2y * -1 + -8y2 * -1) = 0
6y + 8y2 + (-8 + 2y + 8y2) = 0

Reorder the terms:
-8 + 6y + 2y + 8y2 + 8y2 = 0

Combine like terms: 6y + 2y = 8y
-8 + 8y + 8y2 + 8y2 = 0

Combine like terms: 8y2 + 8y2 = 16y2
-8 + 8y + 16y2 = 0

Solving
-8 + 8y + 16y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '8'.
8(-1 + y + 2y2) = 0

Factor a trinomial.
8((-1 + -1y)(1 + -2y)) = 0

Ignore the factor 8.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + -2y)' equal to zero and attempt to solve: Simplifying 1 + -2y = 0 Solving 1 + -2y = 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 + -2y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2y = 0 + -1 -2y = 0 + -1 Combine like terms: 0 + -1 = -1 -2y = -1 Divide each side by '-2'. y = 0.5 Simplifying y = 0.5

Solution

y = {-1, 0.5}

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