# 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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