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Mathematics, 18.03.2021 01:00 tessthetoast

Which of the equations are true identities? A. (y + 6)(y – 7) + 42 = y2 - y
B. (x + 3) (2 - 8) = x2 – 5x
Choose 1
Only A
Only B
Both A and B
Neither A nor B

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Answers: 2

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Which of the equations are true identities? A. (y + 6)(y – 7) + 42 = y2 - y
B. (x + 3) (2 - 8...
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