3a^2-5=43

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Solution for 3a^2-5=43 equation: 


Simplifying
3a2 + -5 = 43

Reorder the terms:
-5 + 3a2 = 43

Solving
-5 + 3a2 = 43

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 3a2 = 43 + 5

Combine like terms: -5 + 5 = 0
0 + 3a2 = 43 + 5
3a2 = 43 + 5

Combine like terms: 43 + 5 = 48
3a2 = 48

Divide each side by '3'.
a2 = 16

Simplifying
a2 = 16

Take the square root of each side:
a = {-4, 4}

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