Which of the sets shown includes the elements of set Z that are both odd numbers and multiples of 7? Z = {-21, -14. -7, 0, 7, 14, 21}
O
A. {-21, 21}
B. {-21.-7. 7.21}
C. {-14,0, 14)
O
D. {-21, -14. -7}
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Question 1
of 28

69 i think because is the only one square

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,