-15+3x^2=3

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Solution for -15+3x^2=3 equation: 


Simplifying
-15 + 3x2 = 3

Solving
-15 + 3x2 = 3

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 3x2 = 3 + 15

Combine like terms: -15 + 15 = 0
0 + 3x2 = 3 + 15
3x2 = 3 + 15

Combine like terms: 3 + 15 = 18
3x2 = 18

Divide each side by '3'.
x2 = 6

Simplifying
x2 = 6

Take the square root of each side:
x = {-2.449489743, 2.449489743}

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