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29 April, 18:50

I dont understand how the expression can be expand, can someone tell me step by step (y + 1) (y - 3)

= y (y - 3) + 1 (y - 3)

= y2 - 3y + y - 3

= y2 - 2y - 3

+3
Answers (2)
  1. 29 April, 21:52
    0
    Step-by-step explanation:

    (y + 1) (y - 3)

    = y (y) - 3 (y) + 1 (y) - 3 (1)

    = y^2 - 3y + y - 3

    = y^2 - 2y - 3
  2. 29 April, 22:02
    0
    You use foil have to use the foil method
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