1.

Factorise the following by regrouping.a) x² + xy + 7x + 7y b) 3x² + 6xy + 4x + 8yc) 5xy + 7x2 + 35x + 25 yd) 15xy + 25x + 6y +10e) 4y + 3x - 3xy – 4 y-f) 2xy – 3xz +4y– 6 yzg) 11xy - 121y + 7x² – 77xh) 36x - 12x² + 21 – 7x​

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KONICHIWA!!

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SORRY there is a MISTAKE in the h sum

and sorry for answering late!



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