3(4x^2-25)=0

Solution for 3(4x^2-25)=0 equation:

Simplifying
3(4x2 + -25) = 0

Reorder the terms:
3(-25 + 4x2) = 0
(-25 * 3 + 4x2 * 3) = 0
(-75 + 12x2) = 0

Solving
-75 + 12x2 = 0

Solving for variable 'x'.

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

Add '75' to each side of the equation.
-75 + 75 + 12x2 = 0 + 75

Combine like terms: -75 + 75 = 0
0 + 12x2 = 0 + 75
12x2 = 0 + 75

Combine like terms: 0 + 75 = 75
12x2 = 75

Divide each side by '12'.
x2 = 6.25

Simplifying
x2 = 6.25

Take the square root of each side:
x = {-2.5, 2.5}