(y+3)(y+5)=y(y+11)

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Solution for (y+3)(y+5)=y(y+11) equation:


Simplifying
(y + 3)(y + 5) = y(y + 11)

Reorder the terms:
(3 + y)(y + 5) = y(y + 11)

Reorder the terms:
(3 + y)(5 + y) = y(y + 11)

Multiply (3 + y) * (5 + y)
(3(5 + y) + y(5 + y)) = y(y + 11)
((5 * 3 + y * 3) + y(5 + y)) = y(y + 11)
((15 + 3y) + y(5 + y)) = y(y + 11)
(15 + 3y + (5 * y + y * y)) = y(y + 11)
(15 + 3y + (5y + y2)) = y(y + 11)

Combine like terms: 3y + 5y = 8y
(15 + 8y + y2) = y(y + 11)

Reorder the terms:
15 + 8y + y2 = y(11 + y)
15 + 8y + y2 = (11 * y + y * y)
15 + 8y + y2 = (11y + y2)

Add '-1y2' to each side of the equation.
15 + 8y + y2 + -1y2 = 11y + y2 + -1y2

Combine like terms: y2 + -1y2 = 0
15 + 8y + 0 = 11y + y2 + -1y2
15 + 8y = 11y + y2 + -1y2

Combine like terms: y2 + -1y2 = 0
15 + 8y = 11y + 0
15 + 8y = 11y

Solving
15 + 8y = 11y

Solving for variable 'y'.

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

Add '-11y' to each side of the equation.
15 + 8y + -11y = 11y + -11y

Combine like terms: 8y + -11y = -3y
15 + -3y = 11y + -11y

Combine like terms: 11y + -11y = 0
15 + -3y = 0

Add '-15' to each side of the equation.
15 + -15 + -3y = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -3y = 0 + -15
-3y = 0 + -15

Combine like terms: 0 + -15 = -15
-3y = -15

Divide each side by '-3'.
y = 5

Simplifying
y = 5

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