0.5(x^4-9)+18=0

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Solution for 0.5(x^4-9)+18=0 equation:


Simplifying
0.5(x4 + -9) + 18 = 0

Reorder the terms:
0.5(-9 + x4) + 18 = 0
(-9 * 0.5 + x4 * 0.5) + 18 = 0
(-4.5 + 0.5x4) + 18 = 0

Reorder the terms:
-4.5 + 18 + 0.5x4 = 0

Combine like terms: -4.5 + 18 = 13.5
13.5 + 0.5x4 = 0

Solving
13.5 + 0.5x4 = 0

Solving for variable 'x'.

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

Add '-13.5' to each side of the equation.
13.5 + -13.5 + 0.5x4 = 0 + -13.5

Combine like terms: 13.5 + -13.5 = 0.0
0.0 + 0.5x4 = 0 + -13.5
0.5x4 = 0 + -13.5

Combine like terms: 0 + -13.5 = -13.5
0.5x4 = -13.5

Divide each side by '0.5'.
x4 = -27

Simplifying
x4 = -27

Reorder the terms:
27 + x4 = -27 + 27

Combine like terms: -27 + 27 = 0
27 + x4 = 0

The solution to this equation could not be determined.

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