Question

(0.6a-0.7b) (0.6a+0.7b) =​

Answer 1

Answer:

this is solved by (a+b)(a-b)=a^2-b^2

Step-by-step explanation:

(0.6a-0.7b)(0.6a+0.7b)

(0.6a)^2-(0.7b)^2

0.36a-0.49b

-13ab