(w)(w+4)+15=(w+3)(w+5)

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Solution for (w)(w+4)+15=(w+3)(w+5) equation:


Simplifying
(w)(w + 4) + 15 = (w + 3)(w + 5)

Reorder the terms:
w(4 + w) + 15 = (w + 3)(w + 5)
(4 * w + w * w) + 15 = (w + 3)(w + 5)
(4w + w2) + 15 = (w + 3)(w + 5)

Reorder the terms:
15 + 4w + w2 = (w + 3)(w + 5)

Reorder the terms:
15 + 4w + w2 = (3 + w)(w + 5)

Reorder the terms:
15 + 4w + w2 = (3 + w)(5 + w)

Multiply (3 + w) * (5 + w)
15 + 4w + w2 = (3(5 + w) + w(5 + w))
15 + 4w + w2 = ((5 * 3 + w * 3) + w(5 + w))
15 + 4w + w2 = ((15 + 3w) + w(5 + w))
15 + 4w + w2 = (15 + 3w + (5 * w + w * w))
15 + 4w + w2 = (15 + 3w + (5w + w2))

Combine like terms: 3w + 5w = 8w
15 + 4w + w2 = (15 + 8w + w2)

Add '-15' to each side of the equation.
15 + 4w + -15 + w2 = 15 + 8w + -15 + w2

Reorder the terms:
15 + -15 + 4w + w2 = 15 + 8w + -15 + w2

Combine like terms: 15 + -15 = 0
0 + 4w + w2 = 15 + 8w + -15 + w2
4w + w2 = 15 + 8w + -15 + w2

Reorder the terms:
4w + w2 = 15 + -15 + 8w + w2

Combine like terms: 15 + -15 = 0
4w + w2 = 0 + 8w + w2
4w + w2 = 8w + w2

Add '-1w2' to each side of the equation.
4w + w2 + -1w2 = 8w + w2 + -1w2

Combine like terms: w2 + -1w2 = 0
4w + 0 = 8w + w2 + -1w2
4w = 8w + w2 + -1w2

Combine like terms: w2 + -1w2 = 0
4w = 8w + 0
4w = 8w

Solving
4w = 8w

Solving for variable 'w'.

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

Add '-8w' to each side of the equation.
4w + -8w = 8w + -8w

Combine like terms: 4w + -8w = -4w
-4w = 8w + -8w

Combine like terms: 8w + -8w = 0
-4w = 0

Divide each side by '-4'.
w = 0

Simplifying
w = 0

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