Question

simplify:- (3k-4r-2m)² - (3k+4r-2m)²​

Answer 1

Step-by-step explanation:

here the answer hope it will helps you

Answer 2

Answer:

$(3k-4r-2m)² - (3k+4r-2m)² \\ = (9 {k}^{2} + 16 {r}^{2} + 4 {m}^{2} - 24kr + 16rm - 12mk) - (9 {k}^{2} + 16 {r}^{2} + 4 {m}^{2} + 24kr - 16rm - 12mk) \\ = 9 {k}^{2} + 16 {r}^{2} + 4 {m}^{2} - 24kr + 16rm - 12mk - 9 {k}^{2} - 16 {r}^{2} - 4 {m}^{2} - 24kr + 16rm + 12mk \\ = - 48kr + 32rm$