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Mathematics, 06.07.2021 23:40 sirdre1982

Factorise the following. a) 7x+7y b)6y²-4y
c)15x-9x²
d)x²y+y²+z²y
please help !! urgently

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Factorise the following. a) 7x+7y b)6y²-4y
c)15x-9x²
d)x²y+y²+z²y
please help !! u...

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