3x^2-25-28=0

Solution for 3x^2-25-28=0 equation:

Simplifying
3x2 + -25 + -28 = 0

Reorder the terms:
-25 + -28 + 3x2 = 0

Combine like terms: -25 + -28 = -53
-53 + 3x2 = 0

Solving
-53 + 3x2 = 0

Solving for variable 'x'.

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

Add '53' to each side of the equation.
-53 + 53 + 3x2 = 0 + 53

Combine like terms: -53 + 53 = 0
0 + 3x2 = 0 + 53
3x2 = 0 + 53

Combine like terms: 0 + 53 = 53
3x2 = 53

Divide each side by '3'.
x2 = 17.66666667

Simplifying
x2 = 17.66666667

Take the square root of each side:
x = {-4.203173405, 4.203173405}