25=10a^2

Solution for 25=10a^2 equation:

Simplifying
25 = 10a2

Solving
25 = 10a2

Solving for variable 'a'.

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

Add '-10a2' to each side of the equation.
25 + -10a2 = 10a2 + -10a2

Combine like terms: 10a2 + -10a2 = 0
25 + -10a2 = 0

Add '-25' to each side of the equation.
25 + -25 + -10a2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -10a2 = 0 + -25
-10a2 = 0 + -25

Combine like terms: 0 + -25 = -25
-10a2 = -25

Divide each side by '-10'.
a2 = 2.5

Simplifying
a2 = 2.5

Take the square root of each side:
a = {-1.58113883, 1.58113883}