Question

using the identites find the following (3.5m-1.5n)(3.5m+1.5n)​

Answer 1

Step-by-step explanation:

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

(3.5m-1.5n)(3.5m+1.5n)

= (3.5m)^2- (1.5n)^2

= 12.25m^2 - 2.25n^2