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Simplifying
16 + -1a * a = 8
Multiply a * a
16 + -1a2 = 8
Solving
16 + -1a2 = 8
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-16' to each side of the equation.
16 + -16 + -1a2 = 8 + -16
Combine like terms: 16 + -16 = 0
0 + -1a2 = 8 + -16
-1a2 = 8 + -16
Combine like terms: 8 + -16 = -8
-1a2 = -8
Divide each side by '-1'.
a2 = 8
Simplifying
a2 = 8
Take the square root of each side:
a = {-2.828427125, 2.828427125}
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