Factorise:
i) y(y+z)+9(y+z)
ii) 10ab+4a+5b+2
iii) 6xy-4y+6-9x

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Solution

Dear Student,

i) y(y+z)+9(y+z) = (y+9)(y+z)

ii) 10ab+4a+5b+2 = 2a(5b+2)+1(5b+2)
= (2a+1)(5b+2)

iii) 6xy-4y+6-9x = 3x(2y-3)-2(2y-3)

= (3x-2)(2y-3)
Regards

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