y(70-20y+10)=0

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Solution for y(70-20y+10)=0 equation: 


Simplifying
y(70 + -20y + 10) = 0

Reorder the terms:
y(70 + 10 + -20y) = 0

Combine like terms: 70 + 10 = 80
y(80 + -20y) = 0
(80 * y + -20y * y) = 0
(80y + -20y2) = 0

Solving
80y + -20y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '20y'.
20y(4 + -1y) = 0

Ignore the factor 20.

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 '(4 + -1y)' equal to zero and attempt to solve:

Simplifying
4 + -1y = 0

Solving
4 + -1y = 0

Move all terms containing y to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -1y = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1y = 0 + -4
-1y = 0 + -4

Combine like terms: 0 + -4 = -4
-1y = -4

Divide each side by '-1'.
y = 4

Simplifying
y = 4
Solution
y = {0, 4}

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