81-4x^2y^4=0

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Solution for 81-4x^2y^4=0 equation: 


Simplifying
81 + -4x2y4 = 0

Solving
81 + -4x2y4 = 0

Solving for variable 'x'.

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

Add '-81' to each side of the equation.
81 + -81 + -4x2y4 = 0 + -81

Combine like terms: 81 + -81 = 0
0 + -4x2y4 = 0 + -81
-4x2y4 = 0 + -81

Combine like terms: 0 + -81 = -81
-4x2y4 = -81

Divide each side by '-4y4'.
x2 = 20.25y-4

Simplifying
x2 = 20.25y-4

Take the square root of each side:
x = {-4.5y-2, 4.5y-2}

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