0.5*x*x+4=30

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Solution for 0.5*x*x+4=30 equation: 


Simplifying
0.5x * x + 4 = 30

Multiply x * x
0.5x2 + 4 = 30

Reorder the terms:
4 + 0.5x2 = 30

Solving
4 + 0.5x2 = 30

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 0.5x2 = 30 + -4

Combine like terms: 4 + -4 = 0
0 + 0.5x2 = 30 + -4
0.5x2 = 30 + -4

Combine like terms: 30 + -4 = 26
0.5x2 = 26

Divide each side by '0.5'.
x2 = 52

Simplifying
x2 = 52

Take the square root of each side:
x = {-7.211102551, 7.211102551}

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