Asked by mary
Simplify: (negative 7 minus negative 7)-(negative 7 minus 7squared).
Answers
Answered by
Cassie
[(-7)-(-7)]-[(-7)-(7^2)]
=[(-7)+7]-[(-7)-49]
=[0]-[-56]
=56
=[(-7)+7]-[(-7)-49]
=[0]-[-56]
=56
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