28x^2-175=0

Solution for 28x^2-175=0 equation:

Simplifying
28x2 + -175 = 0

Reorder the terms:
-175 + 28x2 = 0

Solving
-175 + 28x2 = 0

Solving for variable 'x'.

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

Add '175' to each side of the equation.
-175 + 175 + 28x2 = 0 + 175

Combine like terms: -175 + 175 = 0
0 + 28x2 = 0 + 175
28x2 = 0 + 175

Combine like terms: 0 + 175 = 175
28x2 = 175

Divide each side by '28'.
x2 = 6.25

Simplifying
x2 = 6.25

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