x^2-4x-m=0

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Solution for x^2-4x-m=0 equation:


Simplifying
x2 + -4x + -1m = 0

Reorder the terms:
-1m + -4x + x2 = 0

Solving
-1m + -4x + x2 = 0

Solving for variable 'm'.

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

Add '4x' to each side of the equation.
-1m + -4x + 4x + x2 = 0 + 4x

Combine like terms: -4x + 4x = 0
-1m + 0 + x2 = 0 + 4x
-1m + x2 = 0 + 4x
Remove the zero:
-1m + x2 = 4x

Add '-1x2' to each side of the equation.
-1m + x2 + -1x2 = 4x + -1x2

Combine like terms: x2 + -1x2 = 0
-1m + 0 = 4x + -1x2
-1m = 4x + -1x2

Divide each side by '-1'.
m = -4x + x2

Simplifying
m = -4x + x2

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