Question

factorise the following
b²m+b²n
​

Answer 1

Answer:

a^2m-b^2n+a^2n-b^2m

=a^2m+a^2n-b^2n-b^2m

=a^2(m+n)-b^2(n+m)

=(m+n)(a^2-b^2)

=(m+n)(a+b)(a-b)

Step-by-step explanation: