(X^2)-4x-1=7

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Solution for (X^2)-4x-1=7 equation:


Simplifying
(X2) + -4x + -1 = 7
X2 + -4x + -1 = 7

Reorder the terms:
-1 + X2 + -4x = 7

Solving
-1 + X2 + -4x = 7

Solving for variable 'X'.

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

Add '1' to each side of the equation.
-1 + X2 + 1 + -4x = 7 + 1

Reorder the terms:
-1 + 1 + X2 + -4x = 7 + 1

Combine like terms: -1 + 1 = 0
0 + X2 + -4x = 7 + 1
X2 + -4x = 7 + 1

Combine like terms: 7 + 1 = 8
X2 + -4x = 8

Add '4x' to each side of the equation.
X2 + -4x + 4x = 8 + 4x

Combine like terms: -4x + 4x = 0
X2 + 0 = 8 + 4x
X2 = 8 + 4x

Simplifying
X2 = 8 + 4x

Reorder the terms:
-8 + X2 + -4x = 8 + 4x + -8 + -4x

Reorder the terms:
-8 + X2 + -4x = 8 + -8 + 4x + -4x

Combine like terms: 8 + -8 = 0
-8 + X2 + -4x = 0 + 4x + -4x
-8 + X2 + -4x = 4x + -4x

Combine like terms: 4x + -4x = 0
-8 + X2 + -4x = 0

The solution to this equation could not be determined.

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