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Mathematics, 16.04.2021 19:30 annalaurie7

Which of the equations are true identities? A. (3x – 2y)(2y – 3x) = 9x2 – 4y2
B. (2k +5r)(2k – 5r) = 4k2 – 25r2
Choose 1
only A
only B
both A and B
Neither A nor B

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Answers: 1

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Which of the equations are true identities? A. (3x – 2y)(2y – 3x) = 9x2 – 4y2
B. (2k +5r)(2k...
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