2. Factorise the following expressions.(i) 7x - 42 (i) 6 - 129 (iii) 7

1.	2. Factorise the following expressions.(i) 7x - 42 (i) 6 - 129 (iii) 7a+ 14a(iv) - 16 z +20 z (v) 20 7m + 30 alm(vi) 5 tº y - 15 xy?(vii) 10 a 15 b2 + 20 c2(viii) -4a? + 4 ab- 4 ca(ix) xyz + xyz + x y z(x) ar y + bx y2 + c x y z
Answer» Answer: Step-by-step explanation: i) 7x - 42 (i) 6 - 129 (III) 7a+ 14a (iv) - 16 z +20 z (v) 20 7M + 30 ALM (vi) 5 tº y - 15 xy? (vii) 10 a 15 b2 + 20 c2 (viii) -4a? + 4 AB- 4 ca (ix) xyz + xyz + x y z (x) ar y + bx y2 + C x y z

2. Factorise the following expressions.(i) 7x - 42 (i) 6 - 129 (iii) 7a+ 14a(iv) - 16 z +20 z (v) 20 7m + 30 alm(vi) 5 tº y - 15 xy?(vii) 10 a 15 b2 + 20 c2(viii) -4a? + 4 ab- 4 ca(ix) xyz + xyz + x y z(x) ar y + bx y2 + c x y z

Answer»

Answer:

Step-by-step explanation:

i) 7x - 42 (i) 6 - 129 (III) 7a+ 14a

(iv) - 16 z +20 z (v) 20 7M + 30 ALM

(vi) 5 tº y - 15 xy?

(vii) 10 a 15 b2 + 20 c2

(viii) -4a? + 4 AB- 4 ca

(ix) xyz + xyz + x y z

(x) ar y + bx y2 + C x y z