9x^4-225x^2+25k=0

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Solution for 9x^4-225x^2+25k=0 equation: 


Simplifying
9x4 + -225x2 + 25k = 0

Reorder the terms:
25k + -225x2 + 9x4 = 0

Solving
25k + -225x2 + 9x4 = 0

Solving for variable 'k'.

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

Add '225x2' to each side of the equation.
25k + -225x2 + 225x2 + 9x4 = 0 + 225x2

Combine like terms: -225x2 + 225x2 = 0
25k + 0 + 9x4 = 0 + 225x2
25k + 9x4 = 0 + 225x2
Remove the zero:
25k + 9x4 = 225x2

Add '-9x4' to each side of the equation.
25k + 9x4 + -9x4 = 225x2 + -9x4

Combine like terms: 9x4 + -9x4 = 0
25k + 0 = 225x2 + -9x4
25k = 225x2 + -9x4

Divide each side by '25'.
k = 9x2 + -0.36x4

Simplifying
k = 9x2 + -0.36x4

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