2y^2-5y^3-7y^2+7y^3=

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Solution for 2y^2-5y^3-7y^2+7y^3= equation:


Simplifying
2y2 + -5y3 + -7y2 + 7y3 = 0

Reorder the terms:
2y2 + -7y2 + -5y3 + 7y3 = 0

Combine like terms: 2y2 + -7y2 = -5y2
-5y2 + -5y3 + 7y3 = 0

Combine like terms: -5y3 + 7y3 = 2y3
-5y2 + 2y3 = 0

Solving
-5y2 + 2y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), 'y2'.
y2(-5 + 2y) = 0

Subproblem 1

Set the factor 'y2' equal to zero and attempt to solve: Simplifying y2 = 0 Solving y2 = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y2 = 0 Take the square root of each side: y = {0}

Subproblem 2

Set the factor '(-5 + 2y)' equal to zero and attempt to solve: Simplifying -5 + 2y = 0 Solving -5 + 2y = 0 Move all terms containing y to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 2y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 2y = 0 + 5 2y = 0 + 5 Combine like terms: 0 + 5 = 5 2y = 5 Divide each side by '2'. y = 2.5 Simplifying y = 2.5

Solution

y = {0, 2.5}

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