Question

Factorise 30m²+78mn+36n²

Answer 1

Answer:

30*36 =1080

now we take common and answer will come.

Answer 2

Given : 30m²+78mn+36n²

= 6(5m² + 13mn + 6n²)

= 6(5m² + 3mn + 10mn + 6n²)

= 6[m(5m + 3n) + 2n(5m + 3n)]

= 6(m + 2n)(5m + 3n)

Hope this helps!