a*a=49

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Solution for a*a=49 equation: 


Simplifying
a * a = 49

Multiply a * a
a2 = 49

Solving
a2 = 49

Solving for variable 'a'.

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

Simplifying
a2 = 49

Take the square root of each side:
a = {-7, 7}

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