1-4a^2+6-9a^2=

Solution for 1-4a^2+6-9a^2= equation:

Simplifying
1 + -4a2 + 6 + -9a2 = 0

Reorder the terms:
1 + 6 + -4a2 + -9a2 = 0

Combine like terms: 1 + 6 = 7
7 + -4a2 + -9a2 = 0

Combine like terms: -4a2 + -9a2 = -13a2
7 + -13a2 = 0

Solving
7 + -13a2 = 0

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + -13a2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -13a2 = 0 + -7
-13a2 = 0 + -7

Combine like terms: 0 + -7 = -7
-13a2 = -7

Divide each side by '-13'.
a2 = 0.5384615385

Simplifying
a2 = 0.5384615385

Take the square root of each side:
a = {-0.733799386, 0.733799386}