3X^2-63=300

Solution for 3X^2-63=300 equation:

Simplifying
3X2 + -63 = 300

Reorder the terms:
-63 + 3X2 = 300

Solving
-63 + 3X2 = 300

Solving for variable 'X'.

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

Add '63' to each side of the equation.
-63 + 63 + 3X2 = 300 + 63

Combine like terms: -63 + 63 = 0
0 + 3X2 = 300 + 63
3X2 = 300 + 63

Combine like terms: 300 + 63 = 363
3X2 = 363

Divide each side by '3'.
X2 = 121

Simplifying
X2 = 121

Take the square root of each side:
X = {-11, 11}