Boitumelomakunggo Boitumelomakunggo Mathematics Answered Factorise:a) a(x + y) +b(x + y)(b)c) p(q+r)+m(r +9)(d)(e) (x - y)2 - 3(x - y)(m - n) + (m-n)(h)(i) 7x(m - 3n) + 4 y(3n - m) (i)(k) 2x(3p+q) + 4y(-9-3p) (1)4x(a? - 2)+(2-a) (n)(0) (a - 3b) - c(3b-a) + d(3b-a)