Question

Factorise the expressions.​

Answer 1

(ii) 7y^2+35Z^2

=7(y^2+5Z^2)

(v) 3ax-6ay-8by+4bx

=x(3a+4b)-2y(3a+4b)

=(3a+4b)(x-2y)

viii)p^2q-pr^2-pq+r^2

=pq(p-1)-r^2(p-1)

=(p-1)(pq-r^2)

Answer 2

7 (
`y^(2)` + 6
`Z^(2)`)

3a (x - 2y) - 4b(2y - x)

pq(p - 1) -
`r^(2)`( p - 1)

Explanation: