a^2+n+2b^2=(a+b)(a+2b)

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Solution for a^2+n+2b^2=(a+b)(a+2b) equation:


Simplifying
a2 + n + 2b2 = (a + b)(a + 2b)

Reorder the terms:
a2 + 2b2 + n = (a + b)(a + 2b)

Multiply (a + b) * (a + 2b)
a2 + 2b2 + n = (a(a + 2b) + b(a + 2b))
a2 + 2b2 + n = ((a * a + 2b * a) + b(a + 2b))

Reorder the terms:
a2 + 2b2 + n = ((2ab + a2) + b(a + 2b))
a2 + 2b2 + n = ((2ab + a2) + b(a + 2b))
a2 + 2b2 + n = (2ab + a2 + (a * b + 2b * b))
a2 + 2b2 + n = (2ab + a2 + (ab + 2b2))

Reorder the terms:
a2 + 2b2 + n = (2ab + ab + a2 + 2b2)

Combine like terms: 2ab + ab = 3ab
a2 + 2b2 + n = (3ab + a2 + 2b2)

Add '-1a2' to each side of the equation.
a2 + 2b2 + -1a2 + n = 3ab + a2 + -1a2 + 2b2

Reorder the terms:
a2 + -1a2 + 2b2 + n = 3ab + a2 + -1a2 + 2b2

Combine like terms: a2 + -1a2 = 0
0 + 2b2 + n = 3ab + a2 + -1a2 + 2b2
2b2 + n = 3ab + a2 + -1a2 + 2b2

Combine like terms: a2 + -1a2 = 0
2b2 + n = 3ab + 0 + 2b2
2b2 + n = 3ab + 2b2

Add '-2b2' to each side of the equation.
2b2 + -2b2 + n = 3ab + 2b2 + -2b2

Combine like terms: 2b2 + -2b2 = 0
0 + n = 3ab + 2b2 + -2b2
n = 3ab + 2b2 + -2b2

Combine like terms: 2b2 + -2b2 = 0
n = 3ab + 0
n = 3ab

Solving
n = 3ab

Solving for variable 'n'.

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

Simplifying
n = 3ab

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