5y^2-21y=0

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Solution for 5y^2-21y=0 equation:


Simplifying
5y2 + -21y = 0

Reorder the terms:
-21y + 5y2 = 0

Solving
-21y + 5y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), 'y'.
y(-21 + 5y) = 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 '(-21 + 5y)' equal to zero and attempt to solve: Simplifying -21 + 5y = 0 Solving -21 + 5y = 0 Move all terms containing y to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 21 + 5y = 0 + 21 Combine like terms: -21 + 21 = 0 0 + 5y = 0 + 21 5y = 0 + 21 Combine like terms: 0 + 21 = 21 5y = 21 Divide each side by '5'. y = 4.2 Simplifying y = 4.2

Solution

y = {0, 4.2}

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