=-a^2-3a^2

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


Simplifying
0 = -1a2 + -3a2

Combine like terms: -1a2 + -3a2 = -4a2
0 = -4a2

Solving
0 = -4a2

Solving for variable 'a'.

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

Add '4a2' to each side of the equation.
0 + 4a2 = -4a2 + 4a2
Remove the zero:
4a2 = -4a2 + 4a2

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

Divide each side by '4'.
a2 = 0

Simplifying
a2 = 0

Take the square root of each side:
a = {0}

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