3a^2+11=13

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Solution for 3a^2+11=13 equation: 


Simplifying
3a2 + 11 = 13

Reorder the terms:
11 + 3a2 = 13

Solving
11 + 3a2 = 13

Solving for variable 'a'.

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

Add '-11' to each side of the equation.
11 + -11 + 3a2 = 13 + -11

Combine like terms: 11 + -11 = 0
0 + 3a2 = 13 + -11
3a2 = 13 + -11

Combine like terms: 13 + -11 = 2
3a2 = 2

Divide each side by '3'.
a2 = 0.6666666667

Simplifying
a2 = 0.6666666667

Take the square root of each side:
a = {-0.816496581, 0.816496581}

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