Mathematics, 23.07.2020 21:01, 1119diamondlord

Which of the following are identities? 1.3(5 + 2x) = 15 + 6x
II. y = x + 3
III. x2 - y2 = (x + y)(x - y)
A. III only
B. I and III
C. II and III
D. I and II

Answers: 1

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Which of the following are identities? 1.3(5 + 2x) = 15 + 6x
II. y = x + 3
III. x2 - y2...