1. Simplify.
(i) a = a
2. Find the value.
(i) (-7)2 + (-7)2
Answers
Answered by
2
2. (-7)2 + (-7)2
= (-14) + (-14)
= (-14) - 14
= -28
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Answered by
1
=> (-7)2 + (-7) 2
=> -14 + (-14)
=> -14 -14
=> 14+14
=> 28
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