7a^2-3a=

Solution for 7a^2-3a= equation:

Simplifying
7a2 + -3a = 0

Reorder the terms:
-3a + 7a2 = 0

Solving
-3a + 7a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), 'a'.
a(-3 + 7a) = 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 '(-3 + 7a)' equal to zero and attempt to solve:

Simplifying
-3 + 7a = 0

Solving
-3 + 7a = 0

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

Add '3' to each side of the equation.
-3 + 3 + 7a = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 7a = 0 + 3
7a = 0 + 3

Combine like terms: 0 + 3 = 3
7a = 3

Divide each side by '7'.
a = 0.4285714286

Simplifying
a = 0.4285714286
Solution
a = {0, 0.4285714286}