-2+100a^2=47

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Solution for -2+100a^2=47 equation: 


Simplifying
-2 + 100a2 = 47

Solving
-2 + 100a2 = 47

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 100a2 = 47 + 2

Combine like terms: -2 + 2 = 0
0 + 100a2 = 47 + 2
100a2 = 47 + 2

Combine like terms: 47 + 2 = 49
100a2 = 49

Divide each side by '100'.
a2 = 0.49

Simplifying
a2 = 0.49

Take the square root of each side:
a = {-0.7, 0.7}

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