Question

Factorise by regrouping.
(a)4xy+6-x-24y
(b)21xy+15x+35ry+25r
(c)mz-5mh°2. -5nz+25nh°2.
(d)40ac°2.+25ak°2.+32bc°2.+20bk°2


* (°2.) This means SQUARE .i.e.SQUARE OF 2 = 2×2 = 4 ....That One .... PLEASE HELP.

Answer 1

Factorise by regrouping. (a)4xy+6-x-24y (b)21xy+15x+35ry+25r (c)mz-5mh°2. -5nz+25nh°2 ... - did not match any documents.

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Answer 2

HERE ARE YOUR ANSWERS

(a).
$= > 4xy - x - 24y + 6 \\ = > x(4y - 1) - 6(4y - 1) \\ = > (x - 6)(4y - 1)$
(b).
$= > 21xy + 35ry + 15x + 25r \\ = > 7y(3x + 5r) + 5(3x + 5r) \\ = > (7y + 5)(3x + 5r)$