f(0)=-3x^2+3

Solution for f(0)=-3x^2+3 equation:

Simplifying
f(0) = -3x2 + 3

Reorder the terms for easier multiplication:
0f = -3x2 + 3

Anything times zero is zero.
0f = -3x2 + 3

Reorder the terms:
0 = 3 + -3x2

Solving
0 = 3 + -3x2

Solving for variable 'x'.

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

Add '3x2' to each side of the equation.
0 + 3x2 = 3 + -3x2 + 3x2
Remove the zero:
3x2 = 3 + -3x2 + 3x2

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

Divide each side by '3'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}