Question

factorise m ^3 − n^3 + 1 + 3mn

Answer 1

Answer:

einsndn djdkjdn d dmddmjdjd

Answer 2

Step-by-step explanation:

m^3-n^3

=(m-n)(m^2 +n^2 +mn)

=(m-n) {(m+n) ^2 - 2mn+mn)}

=(m-n){(m+n)^2 - mn}

Then u continue...