Question

(18m^4n^4-13m^3n+5m^2n)+(3m^2n)​

Answer 1

(18m^4n^4-13m^3n+5m^2n)+(3m^2n)

(m²n × (18m²n³ - 13m + 5)) + (3m²n)

m²m × (18m²n³ - 13m + 5) + 3m²n

m²n × (18m²n³ - 13m + 5 + 3)

= m²n × (18m²n³ - 13m + 8)