7a^2-175=0

Solution for 7a^2-175=0 equation:

Simplifying
7a2 + -175 = 0

Reorder the terms:
-175 + 7a2 = 0

Solving
-175 + 7a2 = 0

Solving for variable 'a'.

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

Add '175' to each side of the equation.
-175 + 175 + 7a2 = 0 + 175

Combine like terms: -175 + 175 = 0
0 + 7a2 = 0 + 175
7a2 = 0 + 175

Combine like terms: 0 + 175 = 175
7a2 = 175

Divide each side by '7'.
a2 = 25

Simplifying
a2 = 25

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