Math, asked by sabrasaif786, 4 months ago

Factorise the following by the grouping method.

(i) 63xy - 72y - 48 + 42x
(ii) 98x^4yz-16y^3x^3z+120x^2yz-40y^3z

Answers

Answered by Sweety874

2

Answer:

Step-by-step explanation:

63xy - 72y + 42x - 48

=> 9y(7x-8) + 6(7x-8)

=> (9y+6)(7x-8)

=> 3(3y+2)(7x-8)

Hope that my answer was helpful for you!!

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