Question

13 Factorise. (a) 7 1 k k5 2 - .................................................... [1] (b) 12( ) m p 8( )

Answer 1

Factorise

(a)

7k² - 15k

Taking out the common term (k)

k(7k - 15)

(b) 12(m+p) + 8(m+p)²

Expanding it,

12m + 12p+ 8m²+8p²+16mp

Taking the hcf out,

4(3m+3p+2m²+2p² + 4mp)

Hope it helps

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