3x^2-75-7=0

Solution for 3x^2-75-7=0 equation:

Simplifying
3x2 + -75 + -7 = 0

Reorder the terms:
-75 + -7 + 3x2 = 0

Combine like terms: -75 + -7 = -82
-82 + 3x2 = 0

Solving
-82 + 3x2 = 0

Solving for variable 'x'.

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

Add '82' to each side of the equation.
-82 + 82 + 3x2 = 0 + 82

Combine like terms: -82 + 82 = 0
0 + 3x2 = 0 + 82
3x2 = 0 + 82

Combine like terms: 0 + 82 = 82
3x2 = 82

Divide each side by '3'.
x2 = 27.33333333

Simplifying
x2 = 27.33333333

Take the square root of each side:
x = {-5.228129047, 5.228129047}