18-8a^2=

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Solution for 18-8a^2= equation: 


Simplifying
18 + -8a2 = 0

Solving
18 + -8a2 = 0

Solving for variable 'a'.

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

Add '-18' to each side of the equation.
18 + -18 + -8a2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -8a2 = 0 + -18
-8a2 = 0 + -18

Combine like terms: 0 + -18 = -18
-8a2 = -18

Divide each side by '-8'.
a2 = 2.25

Simplifying
a2 = 2.25

Take the square root of each side:
a = {-1.5, 1.5}

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