Factorisation of P² – 81 ​

Question

Factorisation of P² – 81 

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Mary 1 day 2021-10-13T07:37:03+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-10-13T07:38:53+00:00

    Answer:

    see

    Step-by-step explanation:

    • p^2-81
    • (p)^2-(9)^2
    • (p+9)(p-9)
    0
    2021-10-13T07:38:58+00:00

    Answer:

    (p+9) (p-9)

    Step-by-step explanation:

    Identity used:

    Identity used:a² -b² = (a+b) (a-b)

    p² – 81

    p² – 9²

    (p+9) (p-9)

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