162-2a^2=0

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Solution for 162-2a^2=0 equation: 


Simplifying
162 + -2a2 = 0

Solving
162 + -2a2 = 0

Solving for variable 'a'.

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

Add '-162' to each side of the equation.
162 + -162 + -2a2 = 0 + -162

Combine like terms: 162 + -162 = 0
0 + -2a2 = 0 + -162
-2a2 = 0 + -162

Combine like terms: 0 + -162 = -162
-2a2 = -162

Divide each side by '-2'.
a2 = 81

Simplifying
a2 = 81

Take the square root of each side:
a = {-9, 9}

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