x^2+4sinx=0

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Solution for x^2+4sinx=0 equation: 


Simplifying
x2 + 4sinx = 0

Reorder the terms:
4insx + x2 = 0

Solving
4insx + x2 = 0

Solving for variable 'i'.

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

Add '-1x2' to each side of the equation.
4insx + x2 + -1x2 = 0 + -1x2

Combine like terms: x2 + -1x2 = 0
4insx + 0 = 0 + -1x2
4insx = 0 + -1x2
Remove the zero:
4insx = -1x2

Divide each side by '4nsx'.
i = -0.25n-1s-1x

Simplifying
i = -0.25n-1s-1x

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