75x^2-300=0

Solution for 75x^2-300=0 equation:

Simplifying
75x2 + -300 = 0

Reorder the terms:
-300 + 75x2 = 0

Solving
-300 + 75x2 = 0

Solving for variable 'x'.

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

Add '300' to each side of the equation.
-300 + 300 + 75x2 = 0 + 300

Combine like terms: -300 + 300 = 0
0 + 75x2 = 0 + 300
75x2 = 0 + 300

Combine like terms: 0 + 300 = 300
75x2 = 300

Divide each side by '75'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}