Question

Find the product of (k+3m) (3m-k)

Answer 1

Step-by-step explanation:

(k+3m)(3m-k)=0

(a+b)(a-b)=a²-b²

(3m)²-(k)²=0

9m²-k²=0

Answer 2

Answer:

k(3m-k) 3m(3m-k)

3mk-ksq+9msq -3mk

-kq+9msq