x^2-radq(2x)-4=0

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Solution for x^2-radq(2x)-4=0 equation:


Simplifying
x2 + -1radq(2x) + -4 = 0

Remove parenthesis around (2x)
x2 + -1adqr * 2x + -4 = 0

Reorder the terms for easier multiplication:
x2 + -1 * 2adqr * x + -4 = 0

Multiply -1 * 2
x2 + -2adqr * x + -4 = 0

Multiply adqr * x
x2 + -2adqrx + -4 = 0

Reorder the terms:
-4 + -2adqrx + x2 = 0

Solving
-4 + -2adqrx + x2 = 0

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + -2adqrx + 4 + x2 = 0 + 4

Reorder the terms:
-4 + 4 + -2adqrx + x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -2adqrx + x2 = 0 + 4
-2adqrx + x2 = 0 + 4

Combine like terms: 0 + 4 = 4
-2adqrx + x2 = 4

Add '-1x2' to each side of the equation.
-2adqrx + x2 + -1x2 = 4 + -1x2

Combine like terms: x2 + -1x2 = 0
-2adqrx + 0 = 4 + -1x2
-2adqrx = 4 + -1x2

Divide each side by '-2dqrx'.
a = -2d-1q-1r-1x-1 + 0.5d-1q-1r-1x

Simplifying
a = -2d-1q-1r-1x-1 + 0.5d-1q-1r-1x

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