K^2-20=(k+3)(k-4)

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Solution for K^2-20=(k+3)(k-4) equation:


Simplifying
K2 + -20 = (k + 3)(k + -4)

Reorder the terms:
-20 + K2 = (k + 3)(k + -4)

Reorder the terms:
-20 + K2 = (3 + k)(k + -4)

Reorder the terms:
-20 + K2 = (3 + k)(-4 + k)

Multiply (3 + k) * (-4 + k)
-20 + K2 = (3(-4 + k) + k(-4 + k))
-20 + K2 = ((-4 * 3 + k * 3) + k(-4 + k))
-20 + K2 = ((-12 + 3k) + k(-4 + k))
-20 + K2 = (-12 + 3k + (-4 * k + k * k))
-20 + K2 = (-12 + 3k + (-4k + k2))

Combine like terms: 3k + -4k = -1k
-20 + K2 = (-12 + -1k + k2)

Solving
-20 + K2 = -12 + -1k + k2

Solving for variable 'K'.

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

Add '20' to each side of the equation.
-20 + 20 + K2 = -12 + -1k + 20 + k2

Combine like terms: -20 + 20 = 0
0 + K2 = -12 + -1k + 20 + k2
K2 = -12 + -1k + 20 + k2

Reorder the terms:
K2 = -12 + 20 + -1k + k2

Combine like terms: -12 + 20 = 8
K2 = 8 + -1k + k2

Simplifying
K2 = 8 + -1k + k2

Reorder the terms:
-8 + K2 + k + -1k2 = 8 + -1k + k2 + -8 + k + -1k2

Reorder the terms:
-8 + K2 + k + -1k2 = 8 + -8 + -1k + k + k2 + -1k2

Combine like terms: 8 + -8 = 0
-8 + K2 + k + -1k2 = 0 + -1k + k + k2 + -1k2
-8 + K2 + k + -1k2 = -1k + k + k2 + -1k2

Combine like terms: -1k + k = 0
-8 + K2 + k + -1k2 = 0 + k2 + -1k2
-8 + K2 + k + -1k2 = k2 + -1k2

Combine like terms: k2 + -1k2 = 0
-8 + K2 + k + -1k2 = 0

The solution to this equation could not be determined.

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