Mathematics, 25.02.2021 01:00 bbbbbbbbbbbb62

Which 2 expressions are equivalent? A. 21x + 14 and 7(3x + 2)

B. 23x - 14 + 2x and 21x + 14

C. x + x + 5 and x(squared) + 5

D. 9x(squared) + 9x + 5 and 18x(squared) + 5

Answers: 3

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Which 2 expressions are equivalent? A. 21x + 14 and 7(3x + 2)

B. 23x - 14 + 2x and 21x...