a^2+a^2=100

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


Simplifying
a2 + a2 = 100

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

Solving
2a2 = 100

Solving for variable 'a'.

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

Divide each side by '2'.
a2 = 50

Simplifying
a2 = 50

Take the square root of each side:
a = {-7.071067812, 7.071067812}

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