y^2+10y-5=(y+3)(y-1)

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Solution for y^2+10y-5=(y+3)(y-1) equation:


Simplifying
y2 + 10y + -5 = (y + 3)(y + -1)

Reorder the terms:
-5 + 10y + y2 = (y + 3)(y + -1)

Reorder the terms:
-5 + 10y + y2 = (3 + y)(y + -1)

Reorder the terms:
-5 + 10y + y2 = (3 + y)(-1 + y)

Multiply (3 + y) * (-1 + y)
-5 + 10y + y2 = (3(-1 + y) + y(-1 + y))
-5 + 10y + y2 = ((-1 * 3 + y * 3) + y(-1 + y))
-5 + 10y + y2 = ((-3 + 3y) + y(-1 + y))
-5 + 10y + y2 = (-3 + 3y + (-1 * y + y * y))
-5 + 10y + y2 = (-3 + 3y + (-1y + y2))

Combine like terms: 3y + -1y = 2y
-5 + 10y + y2 = (-3 + 2y + y2)

Add '-1y2' to each side of the equation.
-5 + 10y + y2 + -1y2 = -3 + 2y + y2 + -1y2

Combine like terms: y2 + -1y2 = 0
-5 + 10y + 0 = -3 + 2y + y2 + -1y2
-5 + 10y = -3 + 2y + y2 + -1y2

Combine like terms: y2 + -1y2 = 0
-5 + 10y = -3 + 2y + 0
-5 + 10y = -3 + 2y

Solving
-5 + 10y = -3 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-5 + 10y + -2y = -3 + 2y + -2y

Combine like terms: 10y + -2y = 8y
-5 + 8y = -3 + 2y + -2y

Combine like terms: 2y + -2y = 0
-5 + 8y = -3 + 0
-5 + 8y = -3

Add '5' to each side of the equation.
-5 + 5 + 8y = -3 + 5

Combine like terms: -5 + 5 = 0
0 + 8y = -3 + 5
8y = -3 + 5

Combine like terms: -3 + 5 = 2
8y = 2

Divide each side by '8'.
y = 0.25

Simplifying
y = 0.25

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