28(x^2-25)=0

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

Simplifying
28(x2 + -25) = 0

Reorder the terms:
28(-25 + x2) = 0
(-25 * 28 + x2 * 28) = 0
(-700 + 28x2) = 0

Solving
-700 + 28x2 = 0

Solving for variable 'x'.

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

Add '700' to each side of the equation.
-700 + 700 + 28x2 = 0 + 700

Combine like terms: -700 + 700 = 0
0 + 28x2 = 0 + 700
28x2 = 0 + 700

Combine like terms: 0 + 700 = 700
28x2 = 700

Divide each side by '28'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}