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Is 12a-a simplified?
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Is 12a-a simplified?

User Plamen Zdravkov
by
8.2k points

1 Answer

5 votes
12a−a

=12a−1a

=12a+−1a

=a+a+a+a+a+a+a+a+a+a+a+a+−a

=a+a+a+a+a+a+a+a+a+a+a

=11a

User Quantaliinuxite
by
8.9k points
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