4a=25a^2

Solution for 4a=25a^2 equation:

Simplifying
4a = 25a2

Solving
4a = 25a2

Solving for variable 'a'.

Combine like terms: 25a2 + -25a2 = 0
4a + -25a2 = 0

Factor out the Greatest Common Factor (GCF), 'a'.
a(4 + -25a) = 0

Subproblem 1
Set the factor 'a' equal to zero and attempt to solve:

Simplifying
a = 0

Solving
a = 0

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

Simplifying
a = 0
Subproblem 2
Set the factor '(4 + -25a)' equal to zero and attempt to solve:

Simplifying
4 + -25a = 0

Solving
4 + -25a = 0

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

Add '-4' to each side of the equation.
4 + -4 + -25a = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -25a = 0 + -4
-25a = 0 + -4

Combine like terms: 0 + -4 = -4
-25a = -4

Divide each side by '-25'.
a = 0.16

Simplifying
a = 0.16
Solution
a = {0, 0.16}