=7a*a

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Solution for =7a*a equation: 


Simplifying
0 = 7a * a

Multiply a * a
0 = 7a2

Solving
0 = 7a2

Solving for variable 'a'.

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

Add '-7a2' to each side of the equation.
0 + -7a2 = 7a2 + -7a2
Remove the zero:
-7a2 = 7a2 + -7a2

Combine like terms: 7a2 + -7a2 = 0
-7a2 = 0

Divide each side by '-7'.
a2 = 0

Simplifying
a2 = 0

Take the square root of each side:
a = {0}

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