x^2+k-8x-4k+15=0

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Solution for x^2+k-8x-4k+15=0 equation:


Simplifying
x2 + k + -8x + -4k + 15 = 0

Reorder the terms:
15 + k + -4k + -8x + x2 = 0

Combine like terms: k + -4k = -3k
15 + -3k + -8x + x2 = 0

Solving
15 + -3k + -8x + x2 = 0

Solving for variable 'k'.

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

Add '-15' to each side of the equation.
15 + -3k + -8x + -15 + x2 = 0 + -15

Reorder the terms:
15 + -15 + -3k + -8x + x2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -3k + -8x + x2 = 0 + -15
-3k + -8x + x2 = 0 + -15

Combine like terms: 0 + -15 = -15
-3k + -8x + x2 = -15

Add '8x' to each side of the equation.
-3k + -8x + 8x + x2 = -15 + 8x

Combine like terms: -8x + 8x = 0
-3k + 0 + x2 = -15 + 8x
-3k + x2 = -15 + 8x

Add '-1x2' to each side of the equation.
-3k + x2 + -1x2 = -15 + 8x + -1x2

Combine like terms: x2 + -1x2 = 0
-3k + 0 = -15 + 8x + -1x2
-3k = -15 + 8x + -1x2

Divide each side by '-3'.
k = 5 + -2.666666667x + 0.3333333333x2

Simplifying
k = 5 + -2.666666667x + 0.3333333333x2

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