(7y^2-3y)+(8y^2-8y)=

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Solution for (7y^2-3y)+(8y^2-8y)= equation:


Simplifying
(7y2 + -3y) + (8y2 + -8y) = 0

Reorder the terms:
(-3y + 7y2) + (8y2 + -8y) = 0

Remove parenthesis around (-3y + 7y2)
-3y + 7y2 + (8y2 + -8y) = 0

Reorder the terms:
-3y + 7y2 + (-8y + 8y2) = 0

Remove parenthesis around (-8y + 8y2)
-3y + 7y2 + -8y + 8y2 = 0

Reorder the terms:
-3y + -8y + 7y2 + 8y2 = 0

Combine like terms: -3y + -8y = -11y
-11y + 7y2 + 8y2 = 0

Combine like terms: 7y2 + 8y2 = 15y2
-11y + 15y2 = 0

Solving
-11y + 15y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), 'y'.
y(-11 + 15y) = 0

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 '(-11 + 15y)' equal to zero and attempt to solve: Simplifying -11 + 15y = 0 Solving -11 + 15y = 0 Move all terms containing y to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + 15y = 0 + 11 Combine like terms: -11 + 11 = 0 0 + 15y = 0 + 11 15y = 0 + 11 Combine like terms: 0 + 11 = 11 15y = 11 Divide each side by '15'. y = 0.7333333333 Simplifying y = 0.7333333333

Solution

y = {0, 0.7333333333}

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