7a*a-6a+2a*a+5a=

Solution for 7a*a-6a+2a*a+5a= equation:

Simplifying
7a * a + -6a + 2a * a + 5a = 0

Multiply a * a
7a2 + -6a + 2a * a + 5a = 0

Multiply a * a
7a2 + -6a + 2a2 + 5a = 0

Reorder the terms:
-6a + 5a + 7a2 + 2a2 = 0

Combine like terms: -6a + 5a = -1a
-1a + 7a2 + 2a2 = 0

Combine like terms: 7a2 + 2a2 = 9a2
-1a + 9a2 = 0

Solving
-1a + 9a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), 'a'.
a(-1 + 9a) = 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 '(-1 + 9a)' equal to zero and attempt to solve:

Simplifying
-1 + 9a = 0

Solving
-1 + 9a = 0

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

Add '1' to each side of the equation.
-1 + 1 + 9a = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 9a = 0 + 1
9a = 0 + 1

Combine like terms: 0 + 1 = 1
9a = 1

Divide each side by '9'.
a = 0.1111111111

Simplifying
a = 0.1111111111
Solution
a = {0, 0.1111111111}