Math-Algebraic Expressions and identities

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Use suitable identity to get product:
1) (x3 - 3/8) (x3 + 1/4)

2) (p2 + 16) (p2 - 1/4)

3) (y - 7) (y + 12)

Thanks in anticipation.

  • Math-Algebraic Expressions and identities -

    I don't understand the instruction, why don't we just go ahead and do the problems
    e.g.
    #2
    (p^2 + 16)(p^2 - 1/4)
    = p^4 - (1/4)p^2 + 16p^2 - 4
    = p^4 -(63/4)p^2 - 4

  • Math-Algebraic Expressions and identities -

    It is16

  • Math-Algebraic Expressions and identities -

    13'6"

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