maths

im writting a math examination tomorrow and i don't know anything im learning my heart out help!4xy-5+5x-4y

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  1. 4XY - 5 + 5X -V 4Y.
    Form 2 factorable pairs by grouping:
    (4XY - 4Y) + (5X - 5),
    Factor each binomial:
    4Y(X - 1) + 5(X - 1),
    (X - 1)(4Y + 5).

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