10y^2+15y+24=(y+5)(y+3)

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Solution for 10y^2+15y+24=(y+5)(y+3) equation:


Simplifying
10y2 + 15y + 24 = (y + 5)(y + 3)

Reorder the terms:
24 + 15y + 10y2 = (y + 5)(y + 3)

Reorder the terms:
24 + 15y + 10y2 = (5 + y)(y + 3)

Reorder the terms:
24 + 15y + 10y2 = (5 + y)(3 + y)

Multiply (5 + y) * (3 + y)
24 + 15y + 10y2 = (5(3 + y) + y(3 + y))
24 + 15y + 10y2 = ((3 * 5 + y * 5) + y(3 + y))
24 + 15y + 10y2 = ((15 + 5y) + y(3 + y))
24 + 15y + 10y2 = (15 + 5y + (3 * y + y * y))
24 + 15y + 10y2 = (15 + 5y + (3y + y2))

Combine like terms: 5y + 3y = 8y
24 + 15y + 10y2 = (15 + 8y + y2)

Solving
24 + 15y + 10y2 = 15 + 8y + y2

Solving for variable 'y'.

Reorder the terms:
24 + -15 + 15y + -8y + 10y2 + -1y2 = 15 + 8y + y2 + -15 + -8y + -1y2

Combine like terms: 24 + -15 = 9
9 + 15y + -8y + 10y2 + -1y2 = 15 + 8y + y2 + -15 + -8y + -1y2

Combine like terms: 15y + -8y = 7y
9 + 7y + 10y2 + -1y2 = 15 + 8y + y2 + -15 + -8y + -1y2

Combine like terms: 10y2 + -1y2 = 9y2
9 + 7y + 9y2 = 15 + 8y + y2 + -15 + -8y + -1y2

Reorder the terms:
9 + 7y + 9y2 = 15 + -15 + 8y + -8y + y2 + -1y2

Combine like terms: 15 + -15 = 0
9 + 7y + 9y2 = 0 + 8y + -8y + y2 + -1y2
9 + 7y + 9y2 = 8y + -8y + y2 + -1y2

Combine like terms: 8y + -8y = 0
9 + 7y + 9y2 = 0 + y2 + -1y2
9 + 7y + 9y2 = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
9 + 7y + 9y2 = 0

Begin completing the square.  Divide all terms by
9 the coefficient of the squared term: 

Divide each side by '9'.
1 + 0.7777777778y + y2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 0.7777777778y + -1 + y2 = 0 + -1

Reorder the terms:
1 + -1 + 0.7777777778y + y2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 0.7777777778y + y2 = 0 + -1
0.7777777778y + y2 = 0 + -1

Combine like terms: 0 + -1 = -1
0.7777777778y + y2 = -1

The y term is 0.7777777778y.  Take half its coefficient (0.3888888889).
Square it (0.1512345679) and add it to both sides.

Add '0.1512345679' to each side of the equation.
0.7777777778y + 0.1512345679 + y2 = -1 + 0.1512345679

Reorder the terms:
0.1512345679 + 0.7777777778y + y2 = -1 + 0.1512345679

Combine like terms: -1 + 0.1512345679 = -0.8487654321
0.1512345679 + 0.7777777778y + y2 = -0.8487654321

Factor a perfect square on the left side:
(y + 0.3888888889)(y + 0.3888888889) = -0.8487654321

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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