Question

simplify (1.5m-0.3n) (1.5m+0.3) use identify it help you​

Answer 1

Answer:

1.5m

Explanation:

-0.3+0.3 = 0

Hence, answer : 15m

Answer 2

Answer:

by using identity a²-b²= (a+b) (a-b)

(1.5m-0.3n) (1.5m+0.3n) = [(1.5m)²-(0.3n)²]

== 2.25m²-0.09n²